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llvm-mirror/test/Transforms/TailCallElim/nocapture.ll
Dmitri Gribenko fa45287455 Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID
This is done to avoid odd test failures, like the one fixed in r171243.

My previous regex was not good enough to find these.

llvm-svn: 171343
2013-01-01 13:57:25 +00:00

26 lines
713 B
LLVM

; RUN: opt -tailcallelim -S < %s | FileCheck %s
; XFAIL: *
declare void @use(i8* nocapture, i8* nocapture)
define i8* @foo(i8* nocapture %A, i1 %cond) {
; CHECK: tailrecurse:
; CHECK: %A.tr = phi i8* [ %A, %0 ], [ %B, %cond_true ]
; CHECK: %cond.tr = phi i1 [ %cond, %0 ], [ false, %cond_true ]
%B = alloca i8
; CHECK: %B = alloca i8
br i1 %cond, label %cond_true, label %cond_false
; CHECK: br i1 %cond.tr, label %cond_true, label %cond_false
cond_true:
; CHECK: cond_true:
; CHECK: br label %tailrecurse
call i8* @foo(i8* %B, i1 false)
ret i8* null
cond_false:
; CHECK: cond_false
call void @use(i8* %A, i8* %B)
; CHECK: tail call void @use(i8* %A.tr, i8* %B)
ret i8* null
; CHECK: ret i8* null
}