; RUN: opt -S -gvn-hoist < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define void @test1(i1 %b, i32* %x) { entry: br i1 %b, label %if.then, label %if.else if.then: ; preds = %entry store i32 2, i32* %x, align 4, !tbaa !1 br label %if.end if.else: ; preds = %entry store i32 2, i32* %x, align 4, !tbaa !5 br label %if.end if.end: ; preds = %if.else, %if.then ret void } ; CHECK-LABEL: define void @test1( ; CHECK: store i32 2, i32* %x, align 4 ; CHECK-NEXT: br i1 %b define void @test2(i1 %b, i32* %x) { entry: br i1 %b, label %if.then, label %if.else if.then: ; preds = %entry %gep1 = getelementptr inbounds i32, i32* %x, i64 1 store i32 2, i32* %gep1, align 4, !tbaa !1 br label %if.end if.else: ; preds = %entry %gep2 = getelementptr inbounds i32, i32* %x, i64 1 store i32 2, i32* %gep2, align 4, !tbaa !5 br label %if.end if.end: ; preds = %if.else, %if.then ret void } ; CHECK-LABEL: define void @test2( ; CHECK: %[[gep:.*]] = getelementptr inbounds i32, i32* %x, i64 1 ; CHECK: store i32 2, i32* %[[gep]], align 4 ; CHECK-NEXT: br i1 %b define void @test3(i1 %b, i32* %x) { entry: br i1 %b, label %if.then, label %if.else if.then: ; preds = %entry %gep1 = getelementptr inbounds i32, i32* %x, i64 1 store i32 2, i32* %gep1, align 4, !tbaa !1 br label %if.end if.else: ; preds = %entry %gep2 = getelementptr i32, i32* %x, i64 1 store i32 2, i32* %gep2, align 4, !tbaa !5 br label %if.end if.end: ; preds = %if.else, %if.then ret void } ; CHECK-LABEL: define void @test3( ; CHECK: %[[gep:.*]] = getelementptr i32, i32* %x, i64 1 ; CHECK: store i32 2, i32* %[[gep]], align 4 ; CHECK-NEXT: br i1 %b !1 = !{!2, !2, i64 0} !2 = !{!"int", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C++ TBAA"} !5 = !{!6, !6, i64 0} !6 = !{!"_ZTS1e", !3, i64 0} define i32 @test4(i1 %b, i32* %y) { entry: br i1 %b, label %if.then, label %if.end if.then: ; preds = %entry %0 = load i32, i32* %y, align 4, !range !7 br label %return if.end: ; preds = %entry %1 = load i32, i32* %y, align 4, !range !8 br label %return return: ; preds = %if.end, %if.then %retval.0 = phi i32 [ %0, %if.then ], [ %1, %if.end ] ret i32 %retval.0 } ; CHECK-LABEL: define i32 @test4( ; CHECK: %[[load:.*]] = load i32, i32* %y, align 4, !range ![[range_md:.*]] ; CHECK: %[[phi:.*]] = phi i32 [ %[[load]], %{{.*}} ], [ %[[load]], %{{.*}} ] ; CHECK: ret i32 %[[phi]] define i32* @test5(i1 %b, i32** %y) { entry: br i1 %b, label %if.then, label %if.end if.then: ; preds = %entry %0 = load i32*, i32** %y, align 4, !nonnull !9 br label %return if.end: ; preds = %entry %1 = load i32*, i32** %y, align 4 br label %return return: ; preds = %if.end, %if.then %retval.0 = phi i32* [ %0, %if.then ], [ %1, %if.end ] ret i32* %retval.0 } ; CHECK-LABEL: define i32* @test5( ; CHECK: %[[load:.*]] = load i32*, i32** %y, align 4 ; CHECK-NOT: !nonnull ; CHECK: %[[phi:.*]] = phi i32* [ %[[load]], %{{.*}} ], [ %[[load]], %{{.*}} ] ; CHECK: ret i32* %[[phi]] !7 = !{i32 0, i32 2} !8 = !{i32 3, i32 4} !9 = !{} ; CHECK: ![[range_md]] = !{i32 0, i32 2, i32 3, i32 4}