; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=newgvn -S %s | FileCheck %s @a = common global i32 0, align 4 @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 define i32 @main() #0 { ; CHECK-LABEL: @main( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @a, align 4 ; CHECK-NEXT: [[NEG:%.*]] = xor i32 [[TMP0]], -1 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[TMP0]], -1 ; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: br label [[IF_END]] ; CHECK: if.end: ; CHECK-NEXT: [[PHIOFOPS:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[NEG]], [[IF_THEN]] ] ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ [[TMP0]], [[IF_THEN]] ], [ [[NEG]], [[ENTRY]] ] ; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i32 [[STOREMERGE]], [[PHIOFOPS]] ; CHECK-NEXT: br i1 [[CMP2]], label [[IF_THEN3:%.*]], label [[IF_END6:%.*]] ; CHECK: if.then3: ; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[STOREMERGE]], -1 ; CHECK-NEXT: br i1 [[TOBOOL]], label [[LOR_RHS:%.*]], label [[LOR_END:%.*]] ; CHECK: lor.rhs: ; CHECK-NEXT: [[TOBOOL5:%.*]] = icmp ne i32 [[TMP0]], 0 ; CHECK-NEXT: [[PHITMP:%.*]] = zext i1 [[TOBOOL5]] to i32 ; CHECK-NEXT: br label [[LOR_END]] ; CHECK: lor.end: ; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ 1, [[IF_THEN3]] ], [ [[PHITMP]], [[LOR_RHS]] ] ; CHECK-NEXT: store i32 [[TMP1]], i32* @a, align 4 ; CHECK-NEXT: br label [[IF_END6]] ; CHECK: if.end6: ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* @a, align 4 ; CHECK-NEXT: [[CALL:%.*]] = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 [[TMP2]]) ; CHECK-NEXT: ret i32 0 ; entry: %0 = load i32, i32* @a, align 4 %neg = xor i32 %0, -1 %cmp = icmp sgt i32 %0, -1 br i1 %cmp, label %if.then, label %if.end if.then: br label %if.end if.end: %storemerge = phi i32 [ %0, %if.then ], [ %neg, %entry ] %neg1 = xor i32 %storemerge, -1 %cmp2 = icmp ult i32 %storemerge, %neg1 br i1 %cmp2, label %if.then3, label %if.end6 if.then3: %tobool = icmp eq i32 %storemerge, -1 br i1 %tobool, label %lor.rhs, label %lor.end lor.rhs: %tobool5 = icmp ne i32 %0, 0 %phitmp = zext i1 %tobool5 to i32 br label %lor.end lor.end: %1 = phi i32 [ 1, %if.then3 ], [ %phitmp, %lor.rhs ] store i32 %1, i32* @a, align 4 br label %if.end6 if.end6: %2 = load i32, i32* @a, align 4 %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %2) #3 ret i32 0 } declare i32 @printf(i8*, ...) #2