2017-08-02 06:20:41 +08:00
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep mfcr
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2008-03-25 12:26:08 +08:00
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define void @test(i64 %X) {
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%tmp1 = and i64 %X, 3 ; <i64> [#uses=1]
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%tmp = icmp sgt i64 %tmp1, 2 ; <i1> [#uses=1]
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br i1 %tmp, label %UnifiedReturnBlock, label %cond_true
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cond_true: ; preds = %0
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tail call void @test( i64 0 )
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testcase for recent dag combiner patch. Before the entry bb was:
_test:
stwu r1, -80(r1)
stw r1, 76(r1)
mflr r11
stw r11, 88(r1)
rlwinm r2, r4, 0, 30, 31
cmplwi cr7, r2, 2
mfcr r2
rlwinm r2, r2, 30, 31, 31
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
after it is:
_test:
stwu r1, -80(r1)
stw r1, 76(r1)
mflr r11
stw r11, 88(r1)
rlwinm r2, r4, 0, 30, 31
cmplwi cr0, r2, 2
bgt cr0, LBB1_2 ;UnifiedReturnBlock
llvm-svn: 30954
2006-10-14 11:40:02 +08:00
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ret void
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2008-03-25 12:26:08 +08:00
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UnifiedReturnBlock: ; preds = %0
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testcase for recent dag combiner patch. Before the entry bb was:
_test:
stwu r1, -80(r1)
stw r1, 76(r1)
mflr r11
stw r11, 88(r1)
rlwinm r2, r4, 0, 30, 31
cmplwi cr7, r2, 2
mfcr r2
rlwinm r2, r2, 30, 31, 31
cmplwi cr0, r2, 0
bne cr0, LBB1_2 ;UnifiedReturnBlock
after it is:
_test:
stwu r1, -80(r1)
stw r1, 76(r1)
mflr r11
stw r11, 88(r1)
rlwinm r2, r4, 0, 30, 31
cmplwi cr0, r2, 2
bgt cr0, LBB1_2 ;UnifiedReturnBlock
llvm-svn: 30954
2006-10-14 11:40:02 +08:00
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ret void
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}
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