46 lines
1.4 KiB
LLVM
46 lines
1.4 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mcpu=a2 < %s | FileCheck %s -check-prefix=INVFUNCDESC
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; RUN: llc -verify-machineinstrs -mcpu=a2 -mattr=-invariant-function-descriptors < %s | FileCheck %s -check-prefix=NONINVFUNCDESC
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Function Attrs: nounwind
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define void @bar(void (...)* nocapture %x) #0 {
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entry:
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%callee.knr.cast = bitcast void (...)* %x to void ()*
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br label %for.body
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; INVFUNCDESC-LABEL: @bar
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; INVFUNCDESC-DAG: ld [[REG1:[0-9]+]], 8(3)
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; INVFUNCDESC-DAG: ld [[REG2:[0-9]+]], 16(3)
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; INVFUNCDESC-DAG: ld [[REG3:[0-9]+]], 0(3)
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; INVFUNCDESC: %for.body
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; INVFUNCDESC-DAG: mtctr [[REG3]]
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; INVFUNCDESC-DAG: mr 11, [[REG2]]
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; INVFUNCDESC-DAG: mr 2, [[REG1]]
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; INVFUNCDESC: bctrl
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; INVFUNCDESC-NEXT: ld 2, 40(1)
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; NONINVFUNCDESC-LABEL: @bar
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; NONINVFUNCDESC: %for.body
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; NONINVFUNCDESC-DAG: ld 3, 0(30)
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; NONINVFUNCDESC-DAG: ld 11, 16(30)
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; NONINVFUNCDESC-DAG: ld 2, 8(30)
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; NONINVFUNCDESC: mtctr 3
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; NONINVFUNCDESC: bctrl
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; NONINVFUNCDESC-NEXT: ld 2, 40(1)
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for.body: ; preds = %for.body, %entry
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%i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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tail call void %callee.knr.cast() #0
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%inc = add nuw nsw i32 %i.02, 1
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%exitcond = icmp eq i32 %inc, 1600000000
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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}
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attributes #0 = { nounwind }
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