llvm-project/llvm/test/Transforms/InstCombine/multiple-uses-load-bitcast-...

31 lines
1.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S -data-layout="E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64" | FileCheck %s
define void @PR35618(i64* %st1, double* %st2) {
; CHECK-LABEL: @PR35618(
; CHECK-NEXT: [[Y1:%.*]] = alloca double, align 8
; CHECK-NEXT: [[Z1:%.*]] = alloca double, align 8
; CHECK-NEXT: [[LD1:%.*]] = load double, double* [[Y1]], align 8
; CHECK-NEXT: [[LD2:%.*]] = load double, double* [[Z1]], align 8
; CHECK-NEXT: [[TMP10:%.*]] = fcmp olt double [[LD1]], [[LD2]]
; CHECK-NEXT: [[TMP121:%.*]] = select i1 [[TMP10]], double [[LD1]], double [[LD2]]
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i64* [[ST1:%.*]] to double*
; CHECK-NEXT: store double [[TMP121]], double* [[TMP1]], align 8
; CHECK-NEXT: store double [[TMP121]], double* [[ST2:%.*]], align 8
; CHECK-NEXT: ret void
;
%y1 = alloca double
%z1 = alloca double
%ld1 = load double, double* %y1
%ld2 = load double, double* %z1
%tmp10 = fcmp olt double %ld1, %ld2
%sel = select i1 %tmp10, double* %y1, double* %z1
%tmp11 = bitcast double* %sel to i64*
%tmp12 = load i64, i64* %tmp11
store i64 %tmp12, i64* %st1
%bc = bitcast double* %st2 to i64*
store i64 %tmp12, i64* %bc
ret void
}