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Diffstat (limited to 'test/CodeGen/PowerPC/vec_br_cmp.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/vec_br_cmp.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/vec_br_cmp.ll b/test/CodeGen/PowerPC/vec_br_cmp.ll new file mode 100644 index 0000000..bc60bae --- /dev/null +++ b/test/CodeGen/PowerPC/vec_br_cmp.ll @@ -0,0 +1,23 @@ +; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -mcpu=g5 -o %t -f +; RUN: grep vcmpeqfp. %t +; RUN: not grep mfcr %t + +; A predicate compare used immediately by a branch should not generate an mfcr. + +void %test(<4 x float>* %A, <4 x float>* %B) { + %tmp = load <4 x float>* %A + %tmp3 = load <4 x float>* %B + %tmp = tail call int %llvm.ppc.altivec.vcmpeqfp.p( int 1, <4 x float> %tmp, <4 x float> %tmp3 ) + %tmp = seteq int %tmp, 0 + br bool %tmp, label %cond_true, label %UnifiedReturnBlock + +cond_true: + store <4 x float> zeroinitializer, <4 x float>* %B + ret void + +UnifiedReturnBlock: + ret void +} + +declare int %llvm.ppc.altivec.vcmpeqfp.p(int, <4 x float>, <4 x float>) + |