; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S -data-layout="e-m:e-i64:64-f80:128-n8:16:32:64-S128" | FileCheck %s @a = global [1000 x float] zeroinitializer, align 16 @b = global [1000 x float] zeroinitializer, align 16 define void @_Z3foov() { ; CHECK-LABEL: @_Z3foov( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[FOR_COND:%.*]] ; CHECK: for.cond: ; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_BODY:%.*]] ] ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_0]], 1000 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP:%.*]] ; CHECK: for.cond.cleanup: ; CHECK-NEXT: ret void ; CHECK: for.body: ; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[I_0]] to i64 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [1000 x float], [1000 x float]* @a, i64 0, i64 [[TMP0]] ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds [1000 x float], [1000 x float]* @b, i64 0, i64 [[TMP0]] ; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = load float, float* [[ARRAYIDX2]], align 4 ; CHECK-NEXT: [[CMP_I:%.*]] = fcmp fast olt float [[TMP1]], [[TMP2]] ; CHECK-NEXT: [[TMP3:%.*]] = select i1 [[CMP_I]], float [[TMP2]], float [[TMP1]] ; CHECK-NEXT: store float [[TMP3]], float* [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_0]], 1 ; CHECK-NEXT: br label [[FOR_COND]] ; entry: br label %for.cond for.cond: ; preds = %for.body, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %cmp = icmp ult i32 %i.0, 1000 br i1 %cmp, label %for.body, label %for.cond.cleanup for.cond.cleanup: ; preds = %for.cond ret void for.body: ; preds = %for.cond %0 = zext i32 %i.0 to i64 %arrayidx = getelementptr inbounds [1000 x float], [1000 x float]* @a, i64 0, i64 %0 %arrayidx2 = getelementptr inbounds [1000 x float], [1000 x float]* @b, i64 0, i64 %0 %1 = load float, float* %arrayidx, align 4 %2 = load float, float* %arrayidx2, align 4 %cmp.i = fcmp fast olt float %1, %2 %__b.__a.i = select i1 %cmp.i, float* %arrayidx2, float* %arrayidx %3 = bitcast float* %__b.__a.i to i32* %4 = load i32, i32* %3, align 4 %5 = bitcast float* %arrayidx to i32* store i32 %4, i32* %5, align 4 %inc = add nuw nsw i32 %i.0, 1 br label %for.cond } define i32 @store_bitcasted_load(i1 %cond, float* dereferenceable(4) %addr1, float* dereferenceable(4) %addr2) { ; CHECK-LABEL: @store_bitcasted_load( ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], float* [[ADDR1:%.*]], float* [[ADDR2:%.*]] ; CHECK-NEXT: [[BC1:%.*]] = bitcast float* [[SEL]] to i32* ; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[BC1]], align 4 ; CHECK-NEXT: ret i32 [[LD]] ; %sel = select i1 %cond, float* %addr1, float* %addr2 %bc1 = bitcast float* %sel to i32* %ld = load i32, i32* %bc1 ret i32 %ld } define void @bitcasted_store(i1 %cond, float* %loadaddr1, float* %loadaddr2, float* %storeaddr) { ; CHECK-LABEL: @bitcasted_store( ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], float* [[LOADADDR1:%.*]], float* [[LOADADDR2:%.*]] ; CHECK-NEXT: [[INT_LOAD_ADDR:%.*]] = bitcast float* [[SEL]] to i32* ; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[INT_LOAD_ADDR]], align 4 ; CHECK-NEXT: [[INT_STORE_ADDR:%.*]] = bitcast float* [[STOREADDR:%.*]] to i32* ; CHECK-NEXT: store i32 [[LD]], i32* [[INT_STORE_ADDR]], align 4 ; CHECK-NEXT: ret void ; %sel = select i1 %cond, float* %loadaddr1, float* %loadaddr2 %int_load_addr = bitcast float* %sel to i32* %ld = load i32, i32* %int_load_addr %int_store_addr = bitcast float* %storeaddr to i32* store i32 %ld, i32* %int_store_addr ret void } define void @bitcasted_minmax_with_select_of_pointers(float* %loadaddr1, float* %loadaddr2, float* %storeaddr) { ; CHECK-LABEL: @bitcasted_minmax_with_select_of_pointers( ; CHECK-NEXT: [[LD1:%.*]] = load float, float* [[LOADADDR1:%.*]], align 4 ; CHECK-NEXT: [[LD2:%.*]] = load float, float* [[LOADADDR2:%.*]], align 4 ; CHECK-NEXT: [[COND:%.*]] = fcmp ogt float [[LD1]], [[LD2]] ; CHECK-NEXT: [[LD3:%.*]] = select i1 [[COND]], float [[LD1]], float [[LD2]] ; CHECK-NEXT: store float [[LD3]], float* [[STOREADDR:%.*]], align 4 ; CHECK-NEXT: ret void ; %ld1 = load float, float* %loadaddr1, align 4 %ld2 = load float, float* %loadaddr2, align 4 %cond = fcmp ogt float %ld1, %ld2 %sel = select i1 %cond, float* %loadaddr1, float* %loadaddr2 %int_load_addr = bitcast float* %sel to i32* %ld = load i32, i32* %int_load_addr, align 4 %int_store_addr = bitcast float* %storeaddr to i32* store i32 %ld, i32* %int_store_addr, align 4 ret void }