diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll b/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll new file mode 100644 index 0000000..35434ff --- /dev/null +++ b/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll @@ -0,0 +1,26 @@ +; RUN: llc < %s -combiner-alias-analysis -march=x86-64 | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.4" +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind + +define fastcc i32 @cli_magic_scandesc(i8* %in) nounwind ssp { +entry: + %a = alloca [64 x i8] + %b = getelementptr inbounds [64 x i8]* %a, i64 0, i32 0 + %c = getelementptr inbounds [64 x i8]* %a, i64 0, i32 30 + %d = load i8* %b, align 8 + %e = load i8* %c, align 8 + %f = bitcast [64 x i8]* %a to i8* + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %f, i8* %in, i64 64, i32 8, i1 false) nounwind + store i8 %d, i8* %b, align 8 + store i8 %e, i8* %c, align 8 + ret i32 0 +} + +; CHECK: movq ___stack_chk_guard@GOTPCREL(%rip), %rax +; CHECK: movb (%rsp), %dl +; CHECK-NEXT: movb 30(%rsp), %sil +; CHECK: movb %dl, (%rsp) +; CHECK-NEXT: movb %sil, 30(%rsp) +; CHECK: callq ___stack_chk_fail |