forked from OSchip/llvm-project
35 lines
804 B
LLVM
35 lines
804 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 float @fabsf(float %f)
|
|
declare x86_fp80 @fabsl(x86_fp80 %f)
|