diff options
Diffstat (limited to 'llvm/test/Analysis/BasicAA/modref.ll')
| -rw-r--r-- | llvm/test/Analysis/BasicAA/modref.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/Analysis/BasicAA/modref.ll b/llvm/test/Analysis/BasicAA/modref.ll index 02db861c609..c03014dfe14 100644 --- a/llvm/test/Analysis/BasicAA/modref.ll +++ b/llvm/test/Analysis/BasicAA/modref.ll @@ -90,3 +90,20 @@ define void @test3a(i8* %P, i8 %X) { ret void ; CHECK: ret void } + +@G1 = external global i32 +@G2 = external global [4000 x i32] + +define i32 @test4(i8* %P, i8 %X) { + %tmp = load i32* @G1 + call void @llvm.memset.i32(i8* bitcast ([4000 x i32]* @G2 to i8*), i8 0, i32 4000, i32 1) + %tmp2 = load i32* @G1 + %sub = sub i32 %tmp2, %tmp + ret i32 %sub +; CHECK: @test4 +; CHECK: load i32* @G +; CHECK: memset.i32 +; CHECK-NOT: load +; CHECK: sub i32 %tmp, %tmp +} + |
