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gerrit-public.fairphone.software / toolchain / llvm-project / a99d8b5a9a2c8cabdbbb11eb2f0c885573560ee1 / . / llvm / test / CodeGen / PowerPC / vec_br_cmp.ll
blob: 6d799676b77b4d642f0b7b22e72acdda19683522 [file] [log] [blame]
Tanya Lattnera99d8b52008-02-19 08:07:33 +0000[diff] [blame^]1; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 -o %t -f
Reid Spencer6e87ec42007-04-16 17:36:08 +0000[diff] [blame]2; RUN: grep vcmpeqfp. %t
3; RUN: not grep mfcr %t
Chris Lattner11a9ac52006-04-18 17:56:30 +0000[diff] [blame]4
5; A predicate compare used immediately by a branch should not generate an mfcr.
6
Tanya Lattnera99d8b52008-02-19 08:07:33 +0000[diff] [blame^]7define void @test(<4 x float>* %A, <4 x float>* %B) {
8 %tmp = load <4 x float>* %A ; <<4 x float>> [#uses=1]
9 %tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=1]
10 %tmp.upgrd.1 = tail call i32 @llvm.ppc.altivec.vcmpeqfp.p( i32 1, <4 x float> %tmp, <4 x float> %tmp3 ) ; <i32> [#uses=1]
11 %tmp.upgrd.2 = icmp eq i32 %tmp.upgrd.1, 0 ; <i1> [#uses=1]
12 br i1 %tmp.upgrd.2, label %cond_true, label %UnifiedReturnBlock
Chris Lattner11a9ac52006-04-18 17:56:30 +0000[diff] [blame]13
Tanya Lattnera99d8b52008-02-19 08:07:33 +0000[diff] [blame^]14cond_true: ; preds = %0
15 store <4 x float> zeroinitializer, <4 x float>* %B
16 ret void
Chris Lattner11a9ac52006-04-18 17:56:30 +0000[diff] [blame]17
Tanya Lattnera99d8b52008-02-19 08:07:33 +0000[diff] [blame^]18UnifiedReturnBlock: ; preds = %0
19 ret void
Chris Lattner11a9ac52006-04-18 17:56:30 +0000[diff] [blame]20}
21
Tanya Lattnera99d8b52008-02-19 08:07:33 +0000[diff] [blame^]22declare i32 @llvm.ppc.altivec.vcmpeqfp.p(i32, <4 x float>, <4 x float>)