diff options
| author | Roman Divacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
|---|---|---|
| committer | Roman Divacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
| commit | 59850d0874429601812bc13408cb1f776649027c (patch) | |
| tree | b21f6de4e08b89bb7931806bab798fc2a5e3a686 /test/CodeGen/X86/test-shrink.ll | |
| parent | 18f153bdb9db52e7089a2d5293b96c45a3124a26 (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/X86/test-shrink.ll')
| -rw-r--r-- | test/CodeGen/X86/test-shrink.ll | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/test/CodeGen/X86/test-shrink.ll b/test/CodeGen/X86/test-shrink.ll new file mode 100644 index 0000000000000..1d636930641f8 --- /dev/null +++ b/test/CodeGen/X86/test-shrink.ll @@ -0,0 +1,158 @@ +; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64 +; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32 + +; CHECK-64: g64xh: +; CHECK-64: testb $8, %ah +; CHECK-64: ret +; CHECK-32: g64xh: +; CHECK-32: testb $8, %ah +; CHECK-32: ret +define void @g64xh(i64 inreg %x) nounwind { + %t = and i64 %x, 2048 + %s = icmp eq i64 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g64xl: +; CHECK-64: testb $8, %dil +; CHECK-64: ret +; CHECK-32: g64xl: +; CHECK-32: testb $8, %al +; CHECK-32: ret +define void @g64xl(i64 inreg %x) nounwind { + %t = and i64 %x, 8 + %s = icmp eq i64 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g32xh: +; CHECK-64: testb $8, %ah +; CHECK-64: ret +; CHECK-32: g32xh: +; CHECK-32: testb $8, %ah +; CHECK-32: ret +define void @g32xh(i32 inreg %x) nounwind { + %t = and i32 %x, 2048 + %s = icmp eq i32 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g32xl: +; CHECK-64: testb $8, %dil +; CHECK-64: ret +; CHECK-32: g32xl: +; CHECK-32: testb $8, %al +; CHECK-32: ret +define void @g32xl(i32 inreg %x) nounwind { + %t = and i32 %x, 8 + %s = icmp eq i32 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g16xh: +; CHECK-64: testb $8, %ah +; CHECK-64: ret +; CHECK-32: g16xh: +; CHECK-32: testb $8, %ah +; CHECK-32: ret +define void @g16xh(i16 inreg %x) nounwind { + %t = and i16 %x, 2048 + %s = icmp eq i16 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g16xl: +; CHECK-64: testb $8, %dil +; CHECK-64: ret +; CHECK-32: g16xl: +; CHECK-32: testb $8, %al +; CHECK-32: ret +define void @g16xl(i16 inreg %x) nounwind { + %t = and i16 %x, 8 + %s = icmp eq i16 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g64x16: +; CHECK-64: testw $-32640, %di +; CHECK-64: ret +; CHECK-32: g64x16: +; CHECK-32: testw $-32640, %ax +; CHECK-32: ret +define void @g64x16(i64 inreg %x) nounwind { + %t = and i64 %x, 32896 + %s = icmp eq i64 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g32x16: +; CHECK-64: testw $-32640, %di +; CHECK-64: ret +; CHECK-32: g32x16: +; CHECK-32: testw $-32640, %ax +; CHECK-32: ret +define void @g32x16(i32 inreg %x) nounwind { + %t = and i32 %x, 32896 + %s = icmp eq i32 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} +; CHECK-64: g64x32: +; CHECK-64: testl $268468352, %edi +; CHECK-64: ret +; CHECK-32: g64x32: +; CHECK-32: testl $268468352, %eax +; CHECK-32: ret +define void @g64x32(i64 inreg %x) nounwind { + %t = and i64 %x, 268468352 + %s = icmp eq i64 %t, 0 + br i1 %s, label %yes, label %no + +yes: + call void @bar() + ret void +no: + ret void +} + +declare void @bar() |