99e5327bfd
callee is expected to be expanded to something else by codegen, so that normal infinitely recursive calls are still transformed. llvm-svn: 101468
35 lines
804 B
LLVM
35 lines
804 B
LLVM
; RUN: opt < %s -tailcallelim -S | FileCheck %s
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; Don't turn this into an infinite loop, this is probably the implementation
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; of fabs and we expect the codegen to lower fabs.
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; CHECK: @fabs(double %f)
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; CHECK: call
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; CHECK: ret
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define double @fabs(double %f) {
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entry:
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%tmp2 = call double @fabs( double %f ) ; <double> [#uses=1]
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ret double %tmp2
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}
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; Do turn other calls into infinite loops though.
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; CHECK: define double @foo
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; CHECK-NOT: call
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; CHECK: }
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define double @foo(double %f) {
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%t= call double @foo(double %f)
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ret double %t
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}
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; CHECK: define float @fabsf
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; CHECK-NOT: call
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; CHECK: }
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define float @fabsf(float %f) {
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%t= call float @fabsf(float 2.0)
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ret float %t
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}
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declare float @fabsf(float %f)
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declare x86_fp80 @fabsl(x86_fp80 %f)
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