Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/TailCallElim/inf-recursion.ll

@@ -1,54 +0,0 @@
-; 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-LABEL: define double @foo(
-; CHECK-NOT: call
-; CHECK: }
-define double @foo(double %f) {
-        %t= call double @foo(double %f)
-        ret double %t
-}
-
-; CHECK-LABEL: 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)
-
-; Don't crash while transforming a function with infinite recursion.
-define i32 @PR22704(i1 %bool) {
-entry:
-  br i1 %bool, label %t, label %f
-
-t:
-  %call1 = call i32 @PR22704(i1 1)
-  br label %return
-
-f:
-  %call = call i32 @PR22704(i1 1)
-  br label %return
-
-return:
-  ret i32 0
-
-; CHECK-LABEL: @PR22704(
-; CHECK:       %bool.tr = phi i1 [ %bool, %entry ], [ true, %t ], [ true, %f ]
-; CHECK:       br i1 %bool.tr, label %t, label %f
-}