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| author | Hal Finkel <hfinkel@anl.gov> | 2013-03-28 13:29:47 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2013-03-28 13:29:47 +0000 |
| commit | a4d074863a4a1c1004fb17eb8b685241fed73a1b (patch) | |
| tree | 631a3f2ecb6e5486c8ada4a3bd2806dc277f3fd1 /llvm/test | |
| parent | 66ceaa439a9a664c5587b01710694bc1d086650e (diff) | |
| download | bcm5719-llvm-a4d074863a4a1c1004fb17eb8b685241fed73a1b.tar.gz bcm5719-llvm-a4d074863a4a1c1004fb17eb8b685241fed73a1b.zip | |
Add the PPC64 popcntd instruction
PPC ISA 2.06 (P7, A2, etc.) has a popcntd instruction. Add this instruction and
tell TTI about it so that popcount-loop recognition will know about it.
llvm-svn: 178233
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/popcnt.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/popcnt.ll b/llvm/test/CodeGen/PowerPC/popcnt.ll new file mode 100644 index 00000000000..363f7059e44 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/popcnt.ll @@ -0,0 +1,41 @@ +; RUN: llc -march=ppc64 -mattr=+popcntd < %s | FileCheck %s + +define i8 @cnt8(i8 %x) nounwind readnone { + %cnt = tail call i8 @llvm.ctpop.i8(i8 %x) + ret i8 %cnt +; CHECK: @cnt8 +; CHECK: rldicl +; CHECK: popcntd +; CHECK: blr +} + +define i16 @cnt16(i16 %x) nounwind readnone { + %cnt = tail call i16 @llvm.ctpop.i16(i16 %x) + ret i16 %cnt +; CHECK: @cnt16 +; CHECK: rldicl +; CHECK: popcntd +; CHECK: blr +} + +define i32 @cnt32(i32 %x) nounwind readnone { + %cnt = tail call i32 @llvm.ctpop.i32(i32 %x) + ret i32 %cnt +; CHECK: @cnt32 +; CHECK: rldicl +; CHECK: popcntd +; CHECK: blr +} + +define i64 @cnt64(i64 %x) nounwind readnone { + %cnt = tail call i64 @llvm.ctpop.i64(i64 %x) + ret i64 %cnt +; CHECK: @cnt64 +; CHECK: popcntd +; CHECK: blr +} + +declare i8 @llvm.ctpop.i8(i8) nounwind readnone +declare i16 @llvm.ctpop.i16(i16) nounwind readnone +declare i32 @llvm.ctpop.i32(i32) nounwind readnone +declare i64 @llvm.ctpop.i64(i64) nounwind readnone |
