diff options
Diffstat (limited to 'llvm/test/Transforms/GVN/basic-undef-test.ll')
| -rw-r--r-- | llvm/test/Transforms/GVN/basic-undef-test.ll | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/llvm/test/Transforms/GVN/basic-undef-test.ll b/llvm/test/Transforms/GVN/basic-undef-test.ll index d12c3db..459ef25 100644 --- a/llvm/test/Transforms/GVN/basic-undef-test.ll +++ b/llvm/test/Transforms/GVN/basic-undef-test.ll @@ -1,15 +1,22 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 ; RUN: opt -passes=gvn -S < %s | FileCheck %s -; ModuleID = 'test3.ll' + target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +; RLE over the second load. define i32 @main(ptr %foo) { +; CHECK-LABEL: define i32 @main( +; CHECK-SAME: ptr [[FOO:%.*]]) { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[FOO]], align 4 +; CHECK-NEXT: store i32 5, ptr undef, align 4 +; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP0]], [[TMP0]] +; CHECK-NEXT: ret i32 [[TMP1]] +; entry: -; CHECK: load i32, ptr %foo, align 4 %0 = load i32, ptr %foo, align 4 store i32 5, ptr undef, align 4 -; CHECK-NOT: load i32, ptr %foo, align 4 %1 = load i32, ptr %foo, align 4 -; CHECK: add i32 %0, %0 %2 = add i32 %0, %1 ret i32 %2 } |