diff options
Diffstat (limited to 'test/Transforms/InstCombine/getelementptr.ll')
-rw-r--r-- | test/Transforms/InstCombine/getelementptr.ll | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll index 1c120ec..bb07736 100644 --- a/test/Transforms/InstCombine/getelementptr.ll +++ b/test/Transforms/InstCombine/getelementptr.ll @@ -424,7 +424,7 @@ define i32 @test35() nounwind { i8* getelementptr (%t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind ret i32 0 ; CHECK: @test35 -; CHECK: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0* @s, i64 0, i32 1, i64 0)) nounwind +; CHECK: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0* @s, i64 0, i32 1, i64 0)) [[NUW:#[0-9]+]] } ; Instcombine should constant-fold the GEP so that indices that have @@ -492,3 +492,21 @@ define void @three_gep_f(%three_gep_t2* %x) { declare void @three_gep_g(i32*) declare void @three_gep_h(%three_gep_t2*) + +%struct.ham = type { i32, %struct.zot*, %struct.zot*, %struct.zot* } +%struct.zot = type { i64, i8 } + +define void @test39(%struct.ham* %arg, i8 %arg1) nounwind { + %tmp = getelementptr inbounds %struct.ham* %arg, i64 0, i32 2 + %tmp2 = load %struct.zot** %tmp, align 8 + %tmp3 = bitcast %struct.zot* %tmp2 to i8* + %tmp4 = getelementptr inbounds i8* %tmp3, i64 -8 + store i8 %arg1, i8* %tmp4, align 8 + ret void + +; CHECK: @test39 +; CHECK: getelementptr inbounds %struct.ham* %arg, i64 0, i32 2 +; CHECK: getelementptr inbounds i8* %tmp3, i64 -8 +} + +; CHECK: attributes [[NUW]] = { nounwind } |