; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
target datalayout = "n32:64"
define void @MainKernel(i32 %iNumSteps, i32 %tid, i32 %base) {
; CHECK-LABEL: @MainKernel(
; CHECK-NEXT: [[CALLA:%.*]] = alloca [258 x float], align 4
; CHECK-NEXT: [[CALLB:%.*]] = alloca [258 x float], align 4
; CHECK-NEXT: [[CONV_I:%.*]] = uitofp i32 [[INUMSTEPS:%.*]] to float
; CHECK-NEXT: [[CONV_I12:%.*]] = zext i32 [[TID:%.*]] to i64
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds [258 x float], [258 x float]* [[CALLA]], i64 0, i64 [[CONV_I12]]
; CHECK-NEXT: store float [[CONV_I]], float* [[ARRAYIDX3]], align 4
; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [258 x float], [258 x float]* [[CALLB]], i64 0, i64 [[CONV_I12]]
; CHECK-NEXT: store float [[CONV_I]], float* [[ARRAYIDX6]], align 4
; CHECK-NEXT: [[CMP7:%.*]] = icmp eq i32 [[TID]], 0
; CHECK-NEXT: br i1 [[CMP7]], label [[DOTBB1:%.*]], label [[DOTBB2:%.*]]
; CHECK: .bb1:
; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds [258 x float], [258 x float]* [[CALLA]], i64 0, i64 256
; CHECK-NEXT: store float [[CONV_I]], float* [[ARRAYIDX10]], align 4
; CHECK-NEXT: [[ARRAYIDX11:%.*]] = getelementptr inbounds [258 x float], [258 x float]* [[CALLB]], i64 0, i64 256
; CHECK-NEXT: store float 0.000000e+00, float* [[ARRAYIDX11]], align 4
; CHECK-NEXT: br label [[DOTBB2]]
; CHECK: .bb2:
; CHECK-NEXT: [[CMP135:%.*]] = icmp sgt i32 [[INUMSTEPS]], 0
; CHECK-NEXT: br i1 [[CMP135]], label [[DOTBB3:%.*]], label [[DOTBB8:%.*]]
; CHECK: .bb3:
; CHECK-NEXT: [[TMP1:%.*]] = phi float [ [[TMP10:%.*]], [[DOTBB12:%.*]] ], [ [[CONV_I]], [[DOTBB2]] ]
; CHECK-NEXT: [[TMP2:%.*]] = phi float [ [[TMP11:%.*]], [[DOTBB12]] ], [ [[CONV_I]], [[DOTBB2]] ]
; CHECK-NEXT: [[I12_06:%.*]] = phi i32 [ [[SUB:%.*]], [[DOTBB12]] ], [ [[INUMSTEPS]], [[DOTBB2]] ]
; CHECK-NEXT: [[TMP3:%.*]] = icmp ugt i32 [[I12_06]], [[BASE:%.*]]
; CHECK-NEXT: [[ADD:%.*]] = add i32 [[I12_06]], 1
; CHECK-NEXT: [[CONV_I9:%.*]] = sext i32 [[ADD]] to i64
; CHECK-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds [258 x float], [258 x float]* [[CALLA]], i64 0, i64 [[CONV_I9]]
; CHECK-NEXT: [[ARRAYIDX24:%.*]] = getelementptr inbounds [258 x float], [258 x float]* [[CALLB]], i64 0, i64 [[CONV_I9]]
; CHECK-NEXT: [[CMP40:%.*]] = icmp ult i32 [[I12_06]], [[BASE]]
; CHECK-NEXT: br i1 [[TMP3]], label [[DOTBB4:%.*]], label [[DOTBB5:%.*]]
; CHECK: .bb4:
; CHECK-NEXT: [[TMP4:%.*]] = load float, float* [[ARRAYIDX20]], align 4
; CHECK-NEXT: [[TMP5:%.*]] = load float, float* [[ARRAYIDX24]], align 4
; CHECK-NEXT: [[ADD33:%.*]] = fadd float [[TMP5]], [[TMP4]]
; CHECK-NEXT: [[ADD33_1:%.*]] = fadd float [[ADD33]], [[TMP1]]
; CHECK-NEXT: [[ADD33_2:%.*]] = fadd float [[ADD33_1]], [[TMP2]]
; CHECK-NEXT: br label [[DOTBB5]]
; CHECK: .bb5:
; CHECK-NEXT: [[TMP6:%.*]] = phi float [ [[ADD33_1]], [[DOTBB4]] ], [ [[TMP1]], [[DOTBB3]] ]
; CHECK-NEXT: [[TMP7:%.*]] = phi float [ [[ADD33_2]], [[DOTBB4]] ], [ [[TMP2]], [[DOTBB3]] ]
; CHECK-NEXT: br i1 [[CMP40]], label [[DOTBB6:%.*]], label [[DOTBB7:%.*]]
; CHECK: .bb6:
; CHECK-NEXT: store float [[TMP7]], float* [[ARRAYIDX3]], align 4
; CHECK-NEXT: store float [[TMP6]], float* [[ARRAYIDX6]], align 4
; CHECK-NEXT: br label [[DOTBB7]]
; CHECK: .bb7:
; CHECK-NEXT: br i1 [[TMP3]], label [[DOTBB9:%.*]], label [[DOTBB10:%.*]]
; CHECK: .bb8:
; CHECK-NEXT: ret void
; CHECK: .bb9:
; CHECK-NEXT: [[TMP8:%.*]] = load float, float* [[ARRAYIDX20]], align 4
; CHECK-NEXT: [[TMP9:%.*]] = load float, float* [[ARRAYIDX24]], align 4
; CHECK-NEXT: [[ADD33_112:%.*]] = fadd float [[TMP9]], [[TMP8]]
; CHECK-NEXT: [[ADD33_1_1:%.*]] = fadd float [[ADD33_112]], [[TMP6]]
; CHECK-NEXT: [[ADD33_2_1:%.*]] = fadd float [[ADD33_1_1]], [[TMP7]]
; CHECK-NEXT: br label [[DOTBB10]]
; CHECK: .bb10:
; CHECK-NEXT: [[TMP10]] = phi float [ [[ADD33_1_1]], [[DOTBB9]] ], [ [[TMP6]], [[DOTBB7]] ]
; CHECK-NEXT: [[TMP11]] = phi float [ [[ADD33_2_1]], [[DOTBB9]] ], [ [[TMP7]], [[DOTBB7]] ]
; CHECK-NEXT: br i1 [[CMP40]], label [[DOTBB11:%.*]], label [[DOTBB12]]
; CHECK: .bb11:
; CHECK-NEXT: store float [[TMP11]], float* [[ARRAYIDX3]], align 4
; CHECK-NEXT: store float [[TMP10]], float* [[ARRAYIDX6]], align 4
; CHECK-NEXT: br label [[DOTBB12]]
; CHECK: .bb12:
; CHECK-NEXT: [[SUB]] = add i32 [[I12_06]], -4
; CHECK-NEXT: [[CMP13:%.*]] = icmp sgt i32 [[SUB]], 0
; CHECK-NEXT: br i1 [[CMP13]], label [[DOTBB3]], label [[DOTBB8]]
;
%callA = alloca [258 x float], align 4
%callB = alloca [258 x float], align 4
%conv.i = uitofp i32 %iNumSteps to float
%1 = bitcast float %conv.i to i32
%conv.i12 = zext i32 %tid to i64
%arrayidx3 = getelementptr inbounds [258 x float], [258 x float]* %callA, i64 0, i64 %conv.i12
%2 = bitcast float* %arrayidx3 to i32*
store i32 %1, i32* %2, align 4
%arrayidx6 = getelementptr inbounds [258 x float], [258 x float]* %callB, i64 0, i64 %conv.i12
%3 = bitcast float* %arrayidx6 to i32*
store i32 %1, i32* %3, align 4
%cmp7 = icmp eq i32 %tid, 0
br i1 %cmp7, label %.bb1, label %.bb2
.bb1:
%arrayidx10 = getelementptr inbounds [258 x float], [258 x float]* %callA, i64 0, i64 256
store float %conv.i, float* %arrayidx10, align 4
%arrayidx11 = getelementptr inbounds [258 x float], [258 x float]* %callB, i64 0, i64 256
store float 0.000000e+00, float* %arrayidx11, align 4
br label %.bb2
.bb2:
%cmp135 = icmp sgt i32 %iNumSteps, 0
br i1 %cmp135, label %.bb3, label %.bb8
.bb3:
%rA.sroa.8.0 = phi i32 [ %rA.sroa.8.2, %.bb12 ], [ %1, %.bb2 ]
%rA.sroa.0.0 = phi i32 [ %rA.sroa.0.2, %.bb12 ], [ %1, %.bb2 ]
%i12.06 = phi i32 [ %sub, %.bb12 ], [ %iNumSteps, %.bb2 ]
%4 = icmp ugt i32 %i12.06, %base
%add = add i32 %i12.06, 1
%conv.i9 = sext i32 %add to i64
%arrayidx20 = getelementptr inbounds [258 x float], [258 x float]* %callA, i64 0, i64 %conv.i9
%5 = bitcast float* %arrayidx20 to i32*
%arrayidx24 = getelementptr inbounds [258 x float], [258 x float]* %callB, i64 0, i64 %conv.i9
%6 = bitcast float* %arrayidx24 to i32*
%cmp40 = icmp ult i32 %i12.06, %base
br i1 %4, label %.bb4, label %.bb5
.bb4:
%7 = load i32, i32* %5, align 4
%8 = load i32, i32* %6, align 4
%9 = bitcast i32 %8 to float
%10 = bitcast i32 %7 to float
%add33 = fadd float %9, %10
%11 = bitcast i32 %rA.sroa.8.0 to float
%add33.1 = fadd float %add33, %11
%12 = bitcast float %add33.1 to i32
%13 = bitcast i32 %rA.sroa.0.0 to float
%add33.2 = fadd float %add33.1, %13
%14 = bitcast float %add33.2 to i32
br label %.bb5
.bb5:
%rA.sroa.8.1 = phi i32 [ %12, %.bb4 ], [ %rA.sroa.8.0, %.bb3 ]
%rA.sroa.0.1 = phi i32 [ %14, %.bb4 ], [ %rA.sroa.0.0, %.bb3 ]
br i1 %cmp40, label %.bb6, label %.bb7
.bb6:
store i32 %rA.sroa.0.1, i32* %2, align 4
store i32 %rA.sroa.8.1, i32* %3, align 4
br label %.bb7
.bb7:
br i1 %4, label %.bb9, label %.bb10
.bb8:
ret void
.bb9:
%15 = load i32, i32* %5, align 4
%16 = load i32, i32* %6, align 4
%17 = bitcast i32 %16 to float
%18 = bitcast i32 %15 to float
%add33.112 = fadd float %17, %18
%19 = bitcast i32 %rA.sroa.8.1 to float
%add33.1.1 = fadd float %add33.112, %19
%20 = bitcast float %add33.1.1 to i32
%21 = bitcast i32 %rA.sroa.0.1 to float
%add33.2.1 = fadd float %add33.1.1, %21
%22 = bitcast float %add33.2.1 to i32
br label %.bb10
.bb10:
%rA.sroa.8.2 = phi i32 [ %20, %.bb9 ], [ %rA.sroa.8.1, %.bb7 ]
%rA.sroa.0.2 = phi i32 [ %22, %.bb9 ], [ %rA.sroa.0.1, %.bb7 ]
br i1 %cmp40, label %.bb11, label %.bb12
.bb11:
store i32 %rA.sroa.0.2, i32* %2, align 4
store i32 %rA.sroa.8.2, i32* %3, align 4
br label %.bb12
.bb12:
%sub = add i32 %i12.06, -4
%cmp13 = icmp sgt i32 %sub, 0
br i1 %cmp13, label %.bb3, label %.bb8
}
declare i32 @get_i32()
declare i3 @get_i3()
declare void @bar()
define i37 @zext_from_legal_to_illegal_type(i32 %x) {
; CHECK-LABEL: @zext_from_legal_to_illegal_type(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 42
; CHECK-NEXT: br i1 [[CMP]], label [[T:%.*]], label [[F:%.*]]
; CHECK: t:
; CHECK-NEXT: [[Y:%.*]] = call i32 @get_i32()
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: f:
; CHECK-NEXT: call void @bar()
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[P:%.*]] = phi i32 [ [[Y]], [[T]] ], [ 3, [[F]] ]
; CHECK-NEXT: [[R:%.*]] = zext i32 [[P]] to i37
; CHECK-NEXT: ret i37 [[R]]
;
entry:
%cmp = icmp eq i32 %x, 42
br i1 %cmp, label %t, label %f
t:
%y = call i32 @get_i32()
br label %exit
f:
call void @bar()
br label %exit
exit:
%p = phi i32 [ %y, %t ], [ 3, %f ]
%r = zext i32 %p to i37
ret i37 %r
}
define i37 @zext_from_illegal_to_illegal_type(i32 %x) {
; CHECK-LABEL: @zext_from_illegal_to_illegal_type(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 42
; CHECK-NEXT: br i1 [[CMP]], label [[T:%.*]], label [[F:%.*]]
; CHECK: t:
; CHECK-NEXT: [[Y:%.*]] = call i3 @get_i3()
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: f:
; CHECK-NEXT: call void @bar()
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[P:%.*]] = phi i3 [ [[Y]], [[T]] ], [ 3, [[F]] ]
; CHECK-NEXT: [[R:%.*]] = zext i3 [[P]] to i37
; CHECK-NEXT: ret i37 [[R]]
;
entry:
%cmp = icmp eq i32 %x, 42
br i1 %cmp, label %t, label %f
t:
%y = call i3 @get_i3()
br label %exit
f:
call void @bar()
br label %exit
exit:
%p = phi i3 [ %y, %t ], [ 3, %f ]
%r = zext i3 %p to i37
ret i37 %r
}
define i64 @zext_from_legal_to_legal_type(i32 %x) {
; CHECK-LABEL: @zext_from_legal_to_legal_type(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 42
; CHECK-NEXT: br i1 [[CMP]], label [[T:%.*]], label [[F:%.*]]
; CHECK: t:
; CHECK-NEXT: [[Y:%.*]] = call i32 @get_i32()
; CHECK-NEXT: [[PHI_CAST:%.*]] = zext i32 [[Y]] to i64
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: f:
; CHECK-NEXT: call void @bar()
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[P:%.*]] = phi i64 [ [[PHI_CAST]], [[T]] ], [ 3, [[F]] ]
; CHECK-NEXT: ret i64 [[P]]
;
entry:
%cmp = icmp eq i32 %x, 42
br i1 %cmp, label %t, label %f
t:
%y = call i32 @get_i32()
br label %exit
f:
call void @bar()
br label %exit
exit:
%p = phi i32 [ %y, %t ], [ 3, %f ]
%r = zext i32 %p to i64
ret i64 %r
}
define i64 @zext_from_illegal_to_legal_type(i32 %x) {
; CHECK-LABEL: @zext_from_illegal_to_legal_type(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 42
; CHECK-NEXT: br i1 [[CMP]], label [[T:%.*]], label [[F:%.*]]
; CHECK: t:
; CHECK-NEXT: [[Y:%.*]] = call i3 @get_i3()
; CHECK-NEXT: [[PHI_CAST:%.*]] = zext i3 [[Y]] to i64
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: f:
; CHECK-NEXT: call void @bar()
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[P:%.*]] = phi i64 [ [[PHI_CAST]], [[T]] ], [ 3, [[F]] ]
; CHECK-NEXT: ret i64 [[P]]
;
entry:
%cmp = icmp eq i32 %x, 42
br i1 %cmp, label %t, label %f
t:
%y = call i3 @get_i3()
br label %exit
f:
call void @bar()
br label %exit
exit:
%p = phi i3 [ %y, %t ], [ 3, %f ]
%r = zext i3 %p to i64
ret i64 %r
}
define i8 @trunc_in_loop_exit_block() {
; CHECK-LABEL: @trunc_in_loop_exit_block(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ [[IV_NEXT]], [[LOOP_LATCH]] ]
; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[IV]], 100
; CHECK-NEXT: br i1 [[CMP]], label [[LOOP_LATCH]], label [[EXIT:%.*]]
; CHECK: loop.latch:
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
; CHECK-NEXT: br label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[PHI]] to i8
; CHECK-NEXT: ret i8 [[TRUNC]]
;
entry:
br label %loop
loop:
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.latch ]
%phi = phi i32 [ 1, %entry ], [ %iv.next, %loop.latch ]
%cmp = icmp ult i32 %iv, 100
br i1 %cmp, label %loop.latch, label %exit
loop.latch:
%iv.next = add i32 %iv, 1
br label %loop
exit:
%trunc = trunc i32 %phi to i8
ret i8 %trunc
}
define i32 @zext_in_loop_and_exit_block(i8 %step, i32 %end) {
; CHECK-LABEL: @zext_in_loop_and_exit_block(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i8 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ]
; CHECK-NEXT: [[IV_EXT:%.*]] = zext i8 [[IV]] to i32
; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i32 [[IV_EXT]], [[END:%.*]]
; CHECK-NEXT: br i1 [[CMP_NOT]], label [[EXIT:%.*]], label [[LOOP_LATCH]]
; CHECK: loop.latch:
; CHECK-NEXT: [[IV_NEXT]] = add i8 [[IV]], [[STEP:%.*]]
; CHECK-NEXT: br label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: [[EXT:%.*]] = zext i8 [[IV]] to i32
; CHECK-NEXT: ret i32 [[EXT]]
;
entry:
br label %loop
loop:
%iv = phi i8 [ 0, %entry ], [ %iv.next.trunc, %loop.latch ]
%iv.ext = zext i8 %iv to i32
%cmp = icmp ne i32 %iv.ext, %end
br i1 %cmp, label %loop.latch, label %exit
loop.latch:
%step.ext = zext i8 %step to i32
%iv.next = add i32 %iv.ext, %step.ext
%iv.next.trunc = trunc i32 %iv.next to i8
br label %loop
exit:
%ext = zext i8 %iv to i32
ret i32 %ext
}