; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 ; RUN: opt -S < %s -passes=newgvn | FileCheck %s declare void @llvm.sideeffect() ; Store-to-load forwarding across a @llvm.sideeffect. define float @s2l(ptr %p) { ; CHECK-LABEL: define float @s2l( ; CHECK-SAME: ptr [[P:%.*]]) { ; CHECK-NEXT: store float 0.000000e+00, ptr [[P]], align 4 ; CHECK-NEXT: call void @llvm.sideeffect() ; CHECK-NEXT: ret float 0.000000e+00 ; store float 0.0, ptr %p call void @llvm.sideeffect() %t = load float, ptr %p ret float %t } ; Redundant load elimination across a @llvm.sideeffect. define float @rle(ptr %p) { ; CHECK-LABEL: define float @rle( ; CHECK-SAME: ptr [[P:%.*]]) { ; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P]], align 4 ; CHECK-NEXT: call void @llvm.sideeffect() ; CHECK-NEXT: [[T:%.*]] = fadd float [[R]], [[R]] ; CHECK-NEXT: ret float [[T]] ; %r = load float, ptr %p call void @llvm.sideeffect() %s = load float, ptr %p %t = fadd float %r, %s ret float %t }