; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 ; RUN: opt -S -passes=gvn < %s | FileCheck %s ; Make sure the two offsets from the phi don't get merged incorrectly. define i8 @test(i1 %c, i64 %offset, ptr %ptr) { ; CHECK-LABEL: define i8 @test ; CHECK-SAME: (i1 [[C:%.*]], i64 [[OFFSET:%.*]], ptr [[PTR:%.*]]) { ; CHECK-NEXT: start: ; CHECK-NEXT: [[ALLOCA:%.*]] = alloca [8 x i8], align 8 ; CHECK-NEXT: store i64 1234605616436508552, ptr [[ALLOCA]], align 8 ; CHECK-NEXT: [[GEP_2:%.*]] = getelementptr i8, ptr [[ALLOCA]], i64 2 ; CHECK-NEXT: [[GEP_UNKNOWN:%.*]] = getelementptr i8, ptr [[ALLOCA]], i64 [[OFFSET]] ; CHECK-NEXT: br i1 [[C]], label [[JOIN:%.*]], label [[IF:%.*]] ; CHECK: if: ; CHECK-NEXT: br label [[JOIN]] ; CHECK: join: ; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[GEP_UNKNOWN]], [[START:%.*]] ], [ [[GEP_2]], [[IF]] ] ; CHECK-NEXT: store i8 0, ptr [[ALLOCA]], align 8 ; CHECK-NEXT: [[LOAD1:%.*]] = load i64, ptr [[ALLOCA]], align 8 ; CHECK-NEXT: store i64 [[LOAD1]], ptr [[PTR]], align 8 ; CHECK-NEXT: [[LOAD2:%.*]] = load i8, ptr [[PHI]], align 1 ; CHECK-NEXT: ret i8 [[LOAD2]] ; start: %alloca = alloca [8 x i8], align 8 store i64 u0x1122334455667788, ptr %alloca, align 8 %gep.2 = getelementptr i8, ptr %alloca, i64 2 %gep.unknown = getelementptr i8, ptr %alloca, i64 %offset br i1 %c, label %join, label %if if: br label %join join: %phi = phi ptr [ %gep.unknown, %start ], [ %gep.2, %if ] store i8 0, ptr %alloca, align 8 %load1 = load i64, ptr %alloca, align 8 store i64 %load1, ptr %ptr, align 8 %load2 = load i8, ptr %phi, align 1 ret i8 %load2 }