; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -instcombine -S < %s | FileCheck %s %struct.test = type { i8, [3 x i8] } define i32 @get(%struct.test* nocapture readonly %arg) { ; CHECK-LABEL: @get( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[I:%.*]] = getelementptr inbounds [[STRUCT_TEST:%.*]], %struct.test* [[ARG:%.*]], i64 0, i32 0 ; CHECK-NEXT: [[I1:%.*]] = load i8, i8* [[I]], align 4 ; CHECK-NEXT: [[TMP0:%.*]] = and i8 [[I1]], 3 ; CHECK-NEXT: [[TMP1:%.*]] = icmp ne i8 [[TMP0]], 0 ; CHECK-NEXT: [[I9:%.*]] = zext i1 [[TMP1]] to i32 ; CHECK-NEXT: ret i32 [[I9]] ; bb: %i = getelementptr inbounds %struct.test, %struct.test* %arg, i64 0, i32 0 %i1 = load i8, i8* %i, align 4 %i2 = and i8 %i1, 1 %i3 = icmp eq i8 %i2, 0 br i1 %i3, label %bb4, label %bb8 bb4: %i5 = lshr i8 %i1, 1 %i6 = and i8 %i5, 1 %i7 = zext i8 %i6 to i32 br label %bb8 bb8: %i9 = phi i32 [ 1, %bb ], [ %i7, %bb4 ] ret i32 %i9 }