diff options
Diffstat (limited to 'test/Transforms/Inline/inline-tail.ll')
| -rw-r--r-- | test/Transforms/Inline/inline-tail.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Transforms/Inline/inline-tail.ll b/test/Transforms/Inline/inline-tail.ll index 565491adf5..b40328e0a2 100644 --- a/test/Transforms/Inline/inline-tail.ll +++ b/test/Transforms/Inline/inline-tail.ll @@ -49,6 +49,42 @@ define void @test_musttail_basic_a(i32* %p) { ret void } +; Don't insert lifetime end markers here, the lifetime is trivially over due +; the return. +; CHECK: define void @test_byval_a( +; CHECK: musttail call void @test_byval_c( +; CHECK-NEXT: ret void + +declare void @test_byval_c(i32* byval %p) +define internal void @test_byval_b(i32* byval %p) { + musttail call void @test_byval_c(i32* byval %p) + ret void +} +define void @test_byval_a(i32* byval %p) { + musttail call void @test_byval_b(i32* byval %p) + ret void +} + +; Don't insert a stack restore, we're about to return. +; CHECK: define void @test_dynalloca_a( +; CHECK: call i8* @llvm.stacksave( +; CHECK: alloca i8, i32 %n +; CHECK: musttail call void @test_dynalloca_c( +; CHECK-NEXT: ret void + +declare void @escape(i8* %buf) +declare void @test_dynalloca_c(i32* byval %p, i32 %n) +define internal void @test_dynalloca_b(i32* byval %p, i32 %n) alwaysinline { + %buf = alloca i8, i32 %n ; dynamic alloca + call void @escape(i8* %buf) ; escape it + musttail call void @test_dynalloca_c(i32* byval %p, i32 %n) + ret void +} +define void @test_dynalloca_a(i32* byval %p, i32 %n) { + musttail call void @test_dynalloca_b(i32* byval %p, i32 %n) + ret void +} + ; We can't merge the returns. ; CHECK: define void @test_multiret_a( ; CHECK: musttail call void @test_multiret_c( |