1 ; RUN: opt < %s -passes=tailcallelim -verify-dom-info -S | FileCheck %s
3 ; Don't turn this into an infinite loop, this is probably the implementation
4 ; of fabs and we expect the codegen to lower fabs.
5 ; CHECK: @fabs(double %f)
9 define double @fabs(double %f) {
11 %tmp2 = call double @fabs( double %f ) ; <double> [#uses=1]
15 ; Do turn other calls into infinite loops though.
17 ; CHECK-LABEL: define double @foo(
20 define double @foo(double %f) {
21 %t= call double @foo(double %f)
25 ; CHECK-LABEL: define float @fabsf(
28 define float @fabsf(float %f) {
29 %t= call float @fabsf(float 2.0)
33 declare x86_fp80 @fabsl(x86_fp80 %f)
35 ; Don't crash while transforming a function with infinite recursion.
36 define i32 @PR22704(i1 %bool) {
38 br i1 %bool, label %t, label %f
41 %call1 = call i32 @PR22704(i1 1)
45 %call = call i32 @PR22704(i1 1)
51 ; CHECK-LABEL: @PR22704(
52 ; CHECK: %bool.tr = phi i1 [ %bool, %entry ], [ true, %t ], [ true, %f ]
53 ; CHECK: br i1 %bool.tr, label %t, label %f