diff options
| -rw-r--r-- | llvm/test/Transforms/GlobalOpt/alias-used.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GlobalOpt/alias-used.ll b/llvm/test/Transforms/GlobalOpt/alias-used.ll index 9ced3974ee8..02136a06447 100644 --- a/llvm/test/Transforms/GlobalOpt/alias-used.ll +++ b/llvm/test/Transforms/GlobalOpt/alias-used.ll @@ -45,3 +45,22 @@ define i8* @g2() { define i8* @h() { ret i8* @ca } + +; Check that GlobalOpt doesn't try to resolve aliases with GEP operands. + +%struct.S = type { i32, i32, i32 } +@s = global %struct.S { i32 1, i32 2, i32 3 }, align 4 + +@alias1 = alias i32, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i64 0, i32 1) +@alias2 = alias i32, i32* getelementptr inbounds (%struct.S, %struct.S* @s, i64 0, i32 2) + +; CHECK: load i32, i32* @alias1, align 4 +; CHECK: load i32, i32* @alias2, align 4 + +define i32 @foo1() { +entry: + %0 = load i32, i32* @alias1, align 4 + %1 = load i32, i32* @alias2, align 4 + %add = add nsw i32 %1, %0 + ret i32 %add +} |
