llvm/test/Transforms/TailDup/if-tail-dup.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

50 lines
1.6 KiB
LLVM

; RUN: opt < %s -tailduplicate | \
; RUN: llc -march=x86 -o %t
; RUN: grep {\\\<je\\\>} %t
; RUN: not grep jmp %t
; END.
; This should have no unconditional jumps in it. The C source is:
;void foo(int c, int* P) {
; if (c & 1) P[0] = 1;
; if (c & 2) P[1] = 1;
; if (c & 4) P[2] = 1;
; if (c & 8) P[3] = 1;
;}
define void @foo(i32 %c, i32* %P) {
entry:
%tmp1 = and i32 %c, 1 ; <i32> [#uses=1]
%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1]
br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
cond_true: ; preds = %entry
store i32 1, i32* %P
br label %cond_next
cond_next: ; preds = %cond_true, %entry
%tmp5 = and i32 %c, 2 ; <i32> [#uses=1]
%tmp5.upgrd.2 = icmp eq i32 %tmp5, 0 ; <i1> [#uses=1]
br i1 %tmp5.upgrd.2, label %cond_next10, label %cond_true6
cond_true6: ; preds = %cond_next
%tmp8 = getelementptr i32* %P, i32 1 ; <i32*> [#uses=1]
store i32 1, i32* %tmp8
br label %cond_next10
cond_next10: ; preds = %cond_true6, %cond_next
%tmp13 = and i32 %c, 4 ; <i32> [#uses=1]
%tmp13.upgrd.3 = icmp eq i32 %tmp13, 0 ; <i1> [#uses=1]
br i1 %tmp13.upgrd.3, label %cond_next18, label %cond_true14
cond_true14: ; preds = %cond_next10
%tmp16 = getelementptr i32* %P, i32 2 ; <i32*> [#uses=1]
store i32 1, i32* %tmp16
br label %cond_next18
cond_next18: ; preds = %cond_true14, %cond_next10
%tmp21 = and i32 %c, 8 ; <i32> [#uses=1]
%tmp21.upgrd.4 = icmp eq i32 %tmp21, 0 ; <i1> [#uses=1]
br i1 %tmp21.upgrd.4, label %return, label %cond_true22
cond_true22: ; preds = %cond_next18
%tmp24 = getelementptr i32* %P, i32 3 ; <i32*> [#uses=1]
store i32 1, i32* %tmp24
ret void
return: ; preds = %cond_next18
ret void
}