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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 | c53ab4d77f4b3d2905cf9ad625c28ff6b1c04aff (patch) | |
| tree | b2fcb51be8d19be85b7154477017f83ee096e6da /test/CodeGen/PowerPC | |
| parent | f464481db0c3b5404004b510921ca454803fd1d0 (diff) | |
| download | llvm-c53ab4d77f4b3d2905cf9ad625c28ff6b1c04aff.tar.gz llvm-c53ab4d77f4b3d2905cf9ad625c28ff6b1c04aff.tar.bz2 llvm-c53ab4d77f4b3d2905cf9ad625c28ff6b1c04aff.tar.xz | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178233 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC')
| -rw-r--r-- | test/CodeGen/PowerPC/popcnt.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/popcnt.ll b/test/CodeGen/PowerPC/popcnt.ll new file mode 100644 index 0000000000..363f7059e4 --- /dev/null +++ b/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 |