diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/load-combine-metadata-4.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/load-combine-metadata-4.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/load-combine-metadata-4.ll b/llvm/test/Transforms/InstCombine/load-combine-metadata-4.ll new file mode 100644 index 00000000000..2a1ffcd0605 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/load-combine-metadata-4.ll @@ -0,0 +1,20 @@ +; RUN: opt -instcombine -S < %s | FileCheck %s + +target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128" + +; CHECK-LABEL: @test_load_load_combine_metadata( +; Check that dereferenceable_or_null metadata is combined +; CHECK: load i32*, i32** %0 +; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]] +define void @test_load_load_combine_metadata(i32**, i32**, i32**) { + %a = load i32*, i32** %0, !dereferenceable_or_null !0 + %b = load i32*, i32** %0, !dereferenceable_or_null !1 + store i32 0, i32* %a + store i32 0, i32* %b + ret void +} + +; CHECK: ![[DEREF]] = !{i64 4} + +!0 = !{i64 4} +!1 = !{i64 8} |
