diff options
Diffstat (limited to 'test/CodeGen/X86/stack-align.ll')
| -rw-r--r-- | test/CodeGen/X86/stack-align.ll | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/test/CodeGen/X86/stack-align.ll b/test/CodeGen/X86/stack-align.ll index 8ca0b12..793c026 100644 --- a/test/CodeGen/X86/stack-align.ll +++ b/test/CodeGen/X86/stack-align.ll @@ -7,7 +7,7 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3 target triple = "i686-apple-darwin8" @G = external global double -define void @test({ double, double }* byval %z, double* %P) { +define void @test({ double, double }* byval %z, double* %P) nounwind { entry: %tmp3 = load double* @G, align 16 ; <double> [#uses=1] %tmp4 = tail call double @fabs( double %tmp3 ) ; <double> [#uses=1] @@ -21,14 +21,14 @@ entry: ret void } -define void @test2() alignstack(16) { +define void @test2() alignstack(16) nounwind { entry: ; CHECK: andl{{.*}}$-16, %esp ret void } ; Use a call to force a spill. -define <2 x double> @test3(<2 x double> %x, <2 x double> %y) alignstack(32) { +define <2 x double> @test3(<2 x double> %x, <2 x double> %y) alignstack(32) nounwind { entry: ; CHECK: andl{{.*}}$-32, %esp call void @test2() @@ -38,3 +38,14 @@ entry: declare double @fabs(double) +; The pointer is already known aligned, so and x,-16 is eliminable. +define i32 @test4() nounwind { +entry: + %buffer = alloca [2048 x i8], align 16 + %0 = ptrtoint [2048 x i8]* %buffer to i32 + %and = and i32 %0, -16 + ret i32 %and +; CHECK: test4: +; CHECK-NOT: and +; CHECK: ret +} |
