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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; Make sure GVN doesn't incorrectly think the branch terminating
; bb2 has a constant condition.
; RUN: opt -S -passes=newgvn %s | FileCheck %s
@a = common global i32 0
@patatino = private unnamed_addr constant [3 x i8] c"0\0A\00"
define void @tinkywinky() {
; CHECK-LABEL: define void @tinkywinky() {
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = load i32, ptr @a, align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp sge i32 [[TMP]], 0
; CHECK-NEXT: br i1 [[TMP1]], label [[BB2:%.*]], label [[BB7:%.*]]
; CHECK: bb2:
; CHECK-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[TMP]], 0
; CHECK-NEXT: br i1 [[TMP4]], label [[BB5:%.*]], label [[BB7]]
; CHECK: bb5:
; CHECK-NEXT: [[TMP6:%.*]] = call i32 (ptr, ...) @printf(ptr @patatino)
; CHECK-NEXT: br label [[BB7]]
; CHECK: bb7:
; CHECK-NEXT: ret void
;
bb:
%tmp = load i32, ptr @a
%tmp1 = icmp sge i32 %tmp, 0
br i1 %tmp1, label %bb2, label %bb7
bb2:
%tmp4 = icmp sgt i32 %tmp, 0
br i1 %tmp4, label %bb5, label %bb7
bb5:
%tmp6 = call i32 (ptr, ...) @printf(ptr @patatino)
br label %bb7
bb7:
ret void
}
declare i32 @printf(ptr, ...)
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