diff options
Diffstat (limited to 'test/CodeGen/PowerPC/ppc-crbits-onoff.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/ppc-crbits-onoff.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/ppc-crbits-onoff.ll b/test/CodeGen/PowerPC/ppc-crbits-onoff.ll new file mode 100644 index 0000000..88648df --- /dev/null +++ b/test/CodeGen/PowerPC/ppc-crbits-onoff.ll @@ -0,0 +1,43 @@ +; RUN: llc -mcpu=pwr7 < %s | FileCheck %s +target datalayout = "E-m:e-i64:64-n32:64" +target triple = "powerpc64-unknown-linux-gnu" + +; Function Attrs: nounwind readnone +define signext i32 @crbitsoff(i32 signext %v1, i32 signext %v2) #0 { +entry: + %tobool = icmp ne i32 %v1, 0 + %lnot = icmp eq i32 %v2, 0 + %and3 = and i1 %tobool, %lnot + %and = zext i1 %and3 to i32 + ret i32 %and + +; CHECK-LABEL: @crbitsoff +; CHECK-DAG: cmplwi {{[0-9]+}}, 3, 0 +; CHECK-DAG: li [[REG2:[0-9]+]], 1 +; CHECK-DAG: cntlzw [[REG3:[0-9]+]], +; CHECK: isel 3, 0, [[REG2]] +; CHECK: and 3, 3, [[REG3]] +; CHECK: blr +} + +define signext i32 @crbitson(i32 signext %v1, i32 signext %v2) #1 { +entry: + %tobool = icmp ne i32 %v1, 0 + %lnot = icmp eq i32 %v2, 0 + %and3 = and i1 %tobool, %lnot + %and = zext i1 %and3 to i32 + ret i32 %and + +; CHECK-LABEL: @crbitson +; CHECK-DAG: cmpwi {{[0-9]+}}, 3, 0 +; CHECK-DAG: cmpwi {{[0-9]+}}, 4, 0 +; CHECK-DAG: li [[REG2:[0-9]+]], 1 +; CHECK-DAG: crorc [[REG3:[0-9]+]], +; CHECK: isel 3, 0, [[REG2]], [[REG3]] +; CHECK: blr +} + + +attributes #0 = { nounwind readnone "target-features"="-crbits" } +attributes #1 = { nounwind readnone } + |