llvm-mirror/test/Transforms/SimplifyCFG/2006-10-19-UncondDiv.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

30 lines
976 B
LLVM

; PR957
; RUN: opt < %s -simplifycfg -S | FileCheck %s
; CHECK-NOT: select
@G = extern_weak global i32
define i32 @test(i32 %tmp) {
cond_false179:
%tmp181 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1]
br i1 %tmp181, label %cond_true182, label %cond_next185
cond_true182: ; preds = %cond_false179
br label %cond_next185
cond_next185: ; preds = %cond_true182, %cond_false179
%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ] ; <i32> [#uses=1]
ret i32 %d0.3
}
define i32 @test2(i32 %tmp) {
cond_false179:
%tmp181 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1]
br i1 %tmp181, label %cond_true182, label %cond_next185
cond_true182: ; preds = %cond_false179
br label %cond_next185
cond_next185: ; preds = %cond_true182, %cond_false179
%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ] ; <i32> [#uses=1]
call i32 @test( i32 4 ) ; <i32>:0 [#uses=0]
ret i32 %d0.3
}