ne-undef.ll
1.82 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -jump-threading -S %s | FileCheck %s
declare i1 @cond()
define hidden void @hoge(i1 %c1, i32 %x) {
; CHECK-LABEL: @hoge(
; CHECK-NEXT: bb:
; CHECK-NEXT: br label [[BB13:%.*]]
; CHECK: bb4:
; CHECK-NEXT: [[TMP3:%.*]] = icmp ne i32 [[TMP7:%.*]], undef
; CHECK-NEXT: br i1 [[TMP3]], label [[BB5:%.*]], label [[BB13]]
; CHECK: bb5:
; CHECK-NEXT: br label [[BB6:%.*]]
; CHECK: bb6:
; CHECK-NEXT: [[TMP7]] = phi i32 [ [[TMP7]], [[BB5]] ], [ [[X:%.*]], [[BB8:%.*]] ]
; CHECK-NEXT: [[C:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C]], label [[BB4:%.*]], label [[BB8]]
; CHECK: bb8:
; CHECK-NEXT: br label [[BB6]]
; CHECK: bb13:
; CHECK-NEXT: ret void
;
bb:
br i1 false, label %bb1, label %bb13
bb1: ; preds = %bb
br label %bb2
bb2: ; preds = %bb12, %bb1
%tmp = phi i32 [ 10, %bb1 ], [ %tmp7, %bb12 ]
%tmp3 = icmp ne i32 %tmp, undef
br label %bb4
bb4: ; preds = %bb2
br i1 %tmp3, label %bb5, label %bb13
bb5: ; preds = %bb4
br label %bb6
bb6: ; preds = %bb8, %bb5
%tmp7 = phi i32 [ %tmp, %bb5 ], [ %x, %bb8 ]
%c = call i1 @cond()
br i1 %c, label %bb9, label %bb8
bb8: ; preds = %bb6
br label %bb6
bb9: ; preds = %bb6
br label %bb10
bb10: ; preds = %bb9
br label %bb12
bb12: ; preds = %bb10
br label %bb2
bb13: ; preds = %bb4
ret void
}