Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98
2018-10-19 08:34:24 +00:00
parent 37fbf886a3
commit e19d552987
28702 changed files with 3868076 additions and 803 deletions
--- a/external/llvm/test/Transforms/InstCombine/int_sideeffect.ll
+++ b/external/llvm/test/Transforms/InstCombine/int_sideeffect.ll
@@ -0,0 +1,14 @@
+; RUN: opt -S < %s -instcombine | FileCheck %s
+
+declare void @llvm.sideeffect()
+
+; Store-to-load forwarding across a @llvm.sideeffect.
+
+; CHECK-LABEL: s2l
+; CHECK-NOT: load
+define float @s2l(float* %p) {
+    store float 0.0, float* %p
+    call void @llvm.sideeffect()
+    %t = load float, float* %p
+    ret float %t
+}