; RUN: opt -S -loop-vectorize -dce -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" @A = common global [1024 x i32] zeroinitializer, align 16 @fA = common global [1024 x float] zeroinitializer, align 16 @dA = common global [1024 x double] zeroinitializer, align 16 ; Signed tests. ; Turn this into a max reduction. Make sure we use a splat to initialize the ; vector for the reduction. ; CHECK-LABEL: @max_red( ; CHECK: %[[VAR:.*]] = insertelement <2 x i32> poison, i32 %max, i32 0 ; CHECK: {{.*}} = shufflevector <2 x i32> %[[VAR]], <2 x i32> poison, <2 x i32> zeroinitializer ; CHECK: icmp sgt <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.smax.v2i32 define i32 @max_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp sgt i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Turn this into a max reduction. The select has its inputs reversed therefore ; this is a max reduction. ; CHECK-LABEL: @max_red_inverse_select( ; CHECK: icmp slt <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.smax.v2i32 define i32 @max_red_inverse_select(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp slt i32 %max.red.08, %0 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Turn this into a min reduction. ; CHECK-LABEL: @min_red( ; CHECK: icmp slt <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.smin.v2i32 define i32 @min_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp slt i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Turn this into a min reduction. The select has its inputs reversed therefore ; this is a min reduction. ; CHECK-LABEL: @min_red_inverse_select( ; CHECK: icmp sgt <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.smin.v2i32 define i32 @min_red_inverse_select(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp sgt i32 %max.red.08, %0 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Unsigned tests. ; Turn this into a max reduction. ; CHECK-LABEL: @umax_red( ; CHECK: icmp ugt <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.umax.v2i32 define i32 @umax_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp ugt i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Turn this into a max reduction. The select has its inputs reversed therefore ; this is a max reduction. ; CHECK-LABEL: @umax_red_inverse_select( ; CHECK: icmp ult <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.umax.v2i32 define i32 @umax_red_inverse_select(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp ult i32 %max.red.08, %0 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Turn this into a min reduction. ; CHECK-LABEL: @umin_red( ; CHECK: icmp ult <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.umin.v2i32 define i32 @umin_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp ult i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Turn this into a min reduction. The select has its inputs reversed therefore ; this is a min reduction. ; CHECK-LABEL: @umin_red_inverse_select( ; CHECK: icmp ugt <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.umin.v2i32 define i32 @umin_red_inverse_select(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp ugt i32 %max.red.08, %0 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; SGE -> SLT ; Turn this into a min reduction (select inputs are reversed). ; CHECK-LABEL: @sge_min_red( ; CHECK: icmp sge <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.smin.v2i32 define i32 @sge_min_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp sge i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %max.red.08, i32 %0 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; SLE -> SGT ; Turn this into a max reduction (select inputs are reversed). ; CHECK-LABEL: @sle_min_red( ; CHECK: icmp sle <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.smax.v2i32 define i32 @sle_min_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp sle i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %max.red.08, i32 %0 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; UGE -> ULT ; Turn this into a min reduction (select inputs are reversed). ; CHECK-LABEL: @uge_min_red( ; CHECK: icmp uge <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.umin.v2i32 define i32 @uge_min_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp uge i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %max.red.08, i32 %0 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; ULE -> UGT ; Turn this into a max reduction (select inputs are reversed). ; CHECK-LABEL: @ule_min_red( ; CHECK: icmp ule <2 x i32> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call i32 @llvm.vector.reduce.umax.v2i32 define i32 @ule_min_red(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %cmp3 = icmp ule i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %max.red.08, i32 %0 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; No reduction. ; CHECK-LABEL: @no_red_1( ; CHECK-NOT: icmp <2 x i32> define i32 @no_red_1(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %arrayidx1 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 1, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %1 = load i32, i32* %arrayidx1, align 4 %cmp3 = icmp sgt i32 %0, %1 %max.red.0 = select i1 %cmp3, i32 %0, i32 %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; CHECK-LABEL: @no_red_2( ; CHECK-NOT: icmp <2 x i32> define i32 @no_red_2(i32 %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi i32 [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv %arrayidx1 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 1, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %1 = load i32, i32* %arrayidx1, align 4 %cmp3 = icmp sgt i32 %0, %max.red.08 %max.red.0 = select i1 %cmp3, i32 %0, i32 %1 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %max.red.0 } ; Float tests. ; Maximum. ; Turn this into a max reduction in the presence of a no-nans-fp-math attribute. ; CHECK-LABEL: @max_red_float( ; CHECK: fcmp fast ogt <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @max_red_float(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ogt float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %0, float %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @max_red_float_ge( ; CHECK: fcmp fast oge <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @max_red_float_ge(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast oge float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %0, float %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @inverted_max_red_float( ; CHECK: fcmp fast olt <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @inverted_max_red_float(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast olt float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %max.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @inverted_max_red_float_le( ; CHECK: fcmp fast ole <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @inverted_max_red_float_le(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ole float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %max.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @unordered_max_red_float( ; CHECK: fcmp fast ugt <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @unordered_max_red_float(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ugt float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %0, float %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @unordered_max_red_float_ge( ; CHECK: fcmp fast uge <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @unordered_max_red_float_ge(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast uge float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %0, float %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @inverted_unordered_max_red_float( ; CHECK: fcmp fast ult <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @inverted_unordered_max_red_float(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ult float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %max.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @inverted_unordered_max_red_float_le( ; CHECK: fcmp fast ule <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmax.v2f32 define float @inverted_unordered_max_red_float_le(float %max) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ule float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %max.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; Minimum. ; Turn this into a min reduction in the presence of a no-nans-fp-math attribute. ; CHECK-LABEL: @min_red_float( ; CHECK: fcmp fast olt <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @min_red_float(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast olt float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %0, float %min.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @min_red_float_le( ; CHECK: fcmp fast ole <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @min_red_float_le(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ole float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %0, float %min.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @inverted_min_red_float( ; CHECK: fcmp fast ogt <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @inverted_min_red_float(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ogt float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %min.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @inverted_min_red_float_ge( ; CHECK: fcmp fast oge <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @inverted_min_red_float_ge(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast oge float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %min.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @unordered_min_red_float( ; CHECK: fcmp fast ult <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @unordered_min_red_float(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ult float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %0, float %min.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @unordered_min_red_float_le( ; CHECK: fcmp fast ule <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @unordered_min_red_float_le(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ule float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %0, float %min.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @inverted_unordered_min_red_float( ; CHECK: fcmp fast ugt <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @inverted_unordered_min_red_float(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ugt float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %min.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; CHECK-LABEL: @inverted_unordered_min_red_float_ge( ; CHECK: fcmp fast uge <2 x float> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast float @llvm.vector.reduce.fmin.v2f32 define float @inverted_unordered_min_red_float_ge(float %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi float [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast uge float %0, %min.red.08 %min.red.0 = select i1 %cmp3, float %min.red.08, float %0 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %min.red.0 } ; Make sure we handle doubles, too. ; CHECK-LABEL: @min_red_double( ; CHECK: fcmp fast olt <2 x double> ; CHECK: select <2 x i1> ; CHECK: middle.block ; CHECK: call fast double @llvm.vector.reduce.fmin.v2f64 define double @min_red_double(double %min) #0 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %min.red.08 = phi double [ %min, %entry ], [ %min.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x double], [1024 x double]* @dA, i64 0, i64 %indvars.iv %0 = load double, double* %arrayidx, align 4 %cmp3 = fcmp fast olt double %0, %min.red.08 %min.red.0 = select i1 %cmp3, double %0, double %min.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret double %min.red.0 } ; Don't this into a max reduction. The no-nans-fp-math attribute is missing ; CHECK-LABEL: @max_red_float_nans( ; CHECK-NOT: <2 x float> define float @max_red_float_nans(float %max) { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ogt float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %0, float %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; As above, with the no-signed-zeros-fp-math attribute missing ; CHECK-LABEL: @max_red_float_nsz( ; CHECK-NOT: <2 x float> define float @max_red_float_nsz(float %max) #1 { entry: br label %for.body for.body: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %max.red.08 = phi float [ %max, %entry ], [ %max.red.0, %for.body ] %arrayidx = getelementptr inbounds [1024 x float], [1024 x float]* @fA, i64 0, i64 %indvars.iv %0 = load float, float* %arrayidx, align 4 %cmp3 = fcmp fast ogt float %0, %max.red.08 %max.red.0 = select i1 %cmp3, float %0, float %max.red.08 %indvars.iv.next = add i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv.next, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret float %max.red.0 } ; CHECK-LABEL: @smin_intrinsic( ; CHECK: <2 x i32> @llvm.smin.v2i32 ; CHECK: i32 @llvm.vector.reduce.smin.v2i32 define i32 @smin_intrinsic(i32* nocapture readonly %x) { entry: br label %for.body for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi i32 [ 100, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.012 %0 = load i32, i32* %arrayidx, align 4 %1 = tail call i32 @llvm.smin.i32(i32 %s.011, i32 %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body for.cond.cleanup: ; preds = %for.body ret i32 %1 } ; CHECK-LABEL: @smax_intrinsic( ; CHECK: <2 x i32> @llvm.smax.v2i32 ; CHECK: i32 @llvm.vector.reduce.smax.v2i32 define i32 @smax_intrinsic(i32* nocapture readonly %x) { entry: br label %for.body for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi i32 [ 100, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.012 %0 = load i32, i32* %arrayidx, align 4 %1 = tail call i32 @llvm.smax.i32(i32 %s.011, i32 %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body for.cond.cleanup: ; preds = %for.body ret i32 %1 } ; CHECK-LABEL: @umin_intrinsic( ; CHECK: <2 x i32> @llvm.umin.v2i32 ; CHECK: i32 @llvm.vector.reduce.umin.v2i32 define i32 @umin_intrinsic(i32* nocapture readonly %x) { entry: br label %for.body for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi i32 [ 100, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.012 %0 = load i32, i32* %arrayidx, align 4 %1 = tail call i32 @llvm.umin.i32(i32 %s.011, i32 %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body for.cond.cleanup: ; preds = %for.body ret i32 %1 } ; CHECK-LABEL: @umax_intrinsic( ; CHECK: <2 x i32> @llvm.umax.v2i32 ; CHECK: i32 @llvm.vector.reduce.umax.v2i32 define i32 @umax_intrinsic(i32* nocapture readonly %x) { entry: br label %for.body for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi i32 [ 100, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.012 %0 = load i32, i32* %arrayidx, align 4 %1 = tail call i32 @llvm.umax.i32(i32 %s.011, i32 %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body for.cond.cleanup: ; preds = %for.body ret i32 %1 } ; CHECK-LABEL: @fmin_intrinsic( ; CHECK: nnan nsz <2 x float> @llvm.minnum.v2f32 ; CHECK: nnan nsz float @llvm.vector.reduce.fmin.v2f32 define float @fmin_intrinsic(float* nocapture readonly %x) { entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret float %1 for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi float [ 0.000000e+00, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds float, float* %x, i32 %i.012 %0 = load float, float* %arrayidx, align 4 %1 = tail call nnan nsz float @llvm.minnum.f32(float %s.011, float %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; CHECK-LABEL: @fmax_intrinsic( ; CHECK: fast <2 x float> @llvm.maxnum.v2f32 ; CHECK: fast float @llvm.vector.reduce.fmax.v2f32 define float @fmax_intrinsic(float* nocapture readonly %x) { entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret float %1 for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi float [ 0.000000e+00, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds float, float* %x, i32 %i.012 %0 = load float, float* %arrayidx, align 4 %1 = tail call fast float @llvm.maxnum.f32(float %s.011, float %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; CHECK-LABEL: @fmin_intrinsic_nofast( ; CHECK-NOT: <2 x float> @llvm.minnum.v2f32 define float @fmin_intrinsic_nofast(float* nocapture readonly %x) { entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret float %1 for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi float [ 0.000000e+00, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds float, float* %x, i32 %i.012 %0 = load float, float* %arrayidx, align 4 %1 = tail call float @llvm.minnum.f32(float %s.011, float %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; CHECK-LABEL: @fmax_intrinsic_nofast( ; CHECK-NOT: <2 x float> @llvm.maxnum.v2f32 define float @fmax_intrinsic_nofast(float* nocapture readonly %x) { entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret float %1 for.body: ; preds = %entry, %for.body %i.012 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.011 = phi float [ 0.000000e+00, %entry ], [ %1, %for.body ] %arrayidx = getelementptr inbounds float, float* %x, i32 %i.012 %0 = load float, float* %arrayidx, align 4 %1 = tail call float @llvm.maxnum.f32(float %s.011, float %0) %inc = add nuw nsw i32 %i.012, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; CHECK-LABEL: @sminmax( ; Min and max intrinsics - don't vectorize ; CHECK-NOT: <2 x i32> define i32 @sminmax(i32* nocapture readonly %x, i32* nocapture readonly %y) { entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret i32 %cond9 for.body: ; preds = %entry, %for.body %i.025 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.024 = phi i32 [ 0, %entry ], [ %cond9, %for.body ] %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.025 %0 = load i32, i32* %arrayidx, align 4 %s.0. = tail call i32 @llvm.smin.i32(i32 %s.024, i32 %0) %arrayidx3 = getelementptr inbounds i32, i32* %y, i32 %i.025 %1 = load i32, i32* %arrayidx3, align 4 %cond9 = tail call i32 @llvm.smax.i32(i32 %s.0., i32 %1) %inc = add nuw nsw i32 %i.025, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; CHECK-LABEL: @sminmin( ; CHECK: <2 x i32> @llvm.smin.v2i32 ; CHECK: <2 x i32> @llvm.smin.v2i32 ; CHECK: i32 @llvm.vector.reduce.smin.v2i32 define i32 @sminmin(i32* nocapture readonly %x, i32* nocapture readonly %y) { entry: br label %for.body for.cond.cleanup: ; preds = %for.body ret i32 %cond9 for.body: ; preds = %entry, %for.body %i.025 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %s.024 = phi i32 [ 0, %entry ], [ %cond9, %for.body ] %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.025 %0 = load i32, i32* %arrayidx, align 4 %s.0. = tail call i32 @llvm.smin.i32(i32 %s.024, i32 %0) %arrayidx3 = getelementptr inbounds i32, i32* %y, i32 %i.025 %1 = load i32, i32* %arrayidx3, align 4 %cond9 = tail call i32 @llvm.smin.i32(i32 %s.0., i32 %1) %inc = add nuw nsw i32 %i.025, 1 %exitcond.not = icmp eq i32 %inc, 1024 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body } ; Make sure any check-not directives are not triggered by function declarations. ; CHECK: declare declare i32 @llvm.smin.i32(i32, i32) declare i32 @llvm.smax.i32(i32, i32) declare i32 @llvm.umin.i32(i32, i32) declare i32 @llvm.umax.i32(i32, i32) declare float @llvm.minnum.f32(float, float) declare float @llvm.maxnum.f32(float, float) attributes #0 = { "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" } attributes #1 = { "no-nans-fp-math"="true" }