1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=mem2reg,simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
4 define i32 @test(i32 %x) {
7 ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 0
8 ; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
10 ; CHECK-NEXT: [[TMP1:%.*]] = call i32 asm "mov $0, #1", "=r"() #[[ATTR0:[0-9]+]]
11 ; CHECK-NEXT: br label [[IF_END:%.*]]
13 ; CHECK-NEXT: [[TMP2:%.*]] = call i32 asm "mov $0, #2", "=r"() #[[ATTR0]]
14 ; CHECK-NEXT: br label [[IF_END]]
16 ; CHECK-NEXT: [[Y_0:%.*]] = phi i32 [ [[TMP1]], [[IF_THEN]] ], [ [[TMP2]], [[IF_ELSE]] ]
17 ; CHECK-NEXT: ret i32 [[Y_0]]
20 %y = alloca i32, align 4
21 %tobool = icmp ne i32 %x, 0
22 br i1 %tobool, label %if.then, label %if.else
25 %tmp1 = call i32 asm "mov $0, #1", "=r"() nounwind readnone
26 store i32 %tmp1, ptr %y, align 4
30 %tmp2 = call i32 asm "mov $0, #2", "=r"() nounwind readnone
31 store i32 %tmp2, ptr %y, align 4
35 %tmp3 = load i32, ptr %y, align 4