diff options
Diffstat (limited to 'test/CodeGen/X86/machine-cp.ll')
| -rw-r--r-- | test/CodeGen/X86/machine-cp.ll | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/test/CodeGen/X86/machine-cp.ll b/test/CodeGen/X86/machine-cp.ll index f04e111714ae9..0006b6ea7133f 100644 --- a/test/CodeGen/X86/machine-cp.ll +++ b/test/CodeGen/X86/machine-cp.ll @@ -1,4 +1,4 @@ -; RUN: llc -mtriple=x86_64-apple-macosx -mcpu=nocona < %s | FileCheck %s +; RUN: llc -mtriple=x86_64-apple-macosx -mcpu=nocona -verify-machineinstrs < %s | FileCheck %s ; After tail duplication, two copies in an early exit BB can be cancelled out. ; rdar://10640363 @@ -34,3 +34,27 @@ entry: %tmp8 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 undef, i32 undef, i32 7, i32 2, i32 8, i32 undef, i32 undef , i32 undef > ret <8 x i16> %tmp8 } + +define i32 @t3(i64 %a, i64 %b) nounwind { +entry: +; CHECK-LABEL: t3: +; CHECK: je [[LABEL:.*BB.*]] + %cmp1 = icmp eq i64 %b, 0 + br i1 %cmp1, label %while.end, label %while.body + +; CHECK: [[LABEL]]: +; CHECK-NOT: mov +; CHECK: ret + +while.body: ; preds = %entry, %while.body + %a.addr.03 = phi i64 [ %b.addr.02, %while.body ], [ %a, %entry ] + %b.addr.02 = phi i64 [ %rem, %while.body ], [ %b, %entry ] + %rem = srem i64 %a.addr.03, %b.addr.02 + %cmp = icmp eq i64 %rem, 0 + br i1 %cmp, label %while.end, label %while.body + +while.end: ; preds = %while.body, %entry + %a.addr.0.lcssa = phi i64 [ %a, %entry ], [ %b.addr.02, %while.body ] + %t = trunc i64 %a.addr.0.lcssa to i32 + ret i32 %t +} |