diff options
| author | Roman Divacky <rdivacky@FreeBSD.org> | 2010-01-15 15:37:28 +0000 |
|---|---|---|
| committer | Roman Divacky <rdivacky@FreeBSD.org> | 2010-01-15 15:37:28 +0000 |
| commit | 829000e035f46f2a227a5466e4e427a2f3cc00a9 (patch) | |
| tree | be5a687969f682edded4aa6f13594ffd9aa9030e /test/CodeGen/X86/sext-subreg.ll | |
| parent | 1e7804dbd25b8dbf534c850355d70ad215206f4b (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/X86/sext-subreg.ll')
| -rw-r--r-- | test/CodeGen/X86/sext-subreg.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sext-subreg.ll b/test/CodeGen/X86/sext-subreg.ll new file mode 100644 index 000000000000..b2b9f8121fd6 --- /dev/null +++ b/test/CodeGen/X86/sext-subreg.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -march=x86-64 | FileCheck %s +; rdar://7529457 + +define i64 @t(i64 %A, i64 %B, i32* %P, i64 *%P2) nounwind { +; CHECK: t: +; CHECK: movslq %e{{.*}}, %rax +; CHECK: movq %rax +; CHECK: movl %eax + %C = add i64 %A, %B + %D = trunc i64 %C to i32 + volatile store i32 %D, i32* %P + %E = shl i64 %C, 32 + %F = ashr i64 %E, 32 + volatile store i64 %F, i64 *%P2 + volatile store i32 %D, i32* %P + ret i64 undef +} |