llvm-6502/test/Transforms/TailCallElim/inf-recursion.ll
Chris Lattner d589099eec make the asmparser reject function and type redefinitions. 'Merging' hasn't been
needed since llvm-gcc 3.4 days.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17 07:06:44 +00:00

34 lines
773 B
LLVM

; RUN: opt < %s -tailcallelim -S | FileCheck %s
; Don't turn this into an infinite loop, this is probably the implementation
; of fabs and we expect the codegen to lower fabs.
; CHECK: @fabs(double %f)
; CHECK: call
; CHECK: ret
define double @fabs(double %f) {
entry:
%tmp2 = call double @fabs( double %f ) ; <double> [#uses=1]
ret double %tmp2
}
; Do turn other calls into infinite loops though.
; CHECK: define double @foo
; CHECK-NOT: call
; CHECK: }
define double @foo(double %f) {
%t= call double @foo(double %f)
ret double %t
}
; CHECK: define float @fabsf
; CHECK-NOT: call
; CHECK: }
define float @fabsf(float %f) {
%t= call float @fabsf(float 2.0)
ret float %t
}
declare x86_fp80 @fabsl(x86_fp80 %f)