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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 62; RUN: opt -passes=gvn -S < %s | FileCheck %s3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"5 6; GVN shouldn't PRE the load around the loop backedge because it's7; not actually redundant around the loop backedge, despite appearances8; if phi-translation is ignored.9 10define void @test0(ptr %begin) {11; CHECK-LABEL: define void @test0(12; CHECK-SAME: ptr [[BEGIN:%.*]]) {13; CHECK-NEXT: [[ENTRY:.*]]:14; CHECK-NEXT: br label %[[LOOP:.*]]15; CHECK: [[LOOP]]:16; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[BEGIN]], %[[ENTRY]] ], [ [[NEXT:%.*]], %[[LOOP]] ]17; CHECK-NEXT: [[L0:%.*]] = load i8, ptr [[PHI]], align 118; CHECK-NEXT: call void @bar(i8 [[L0]])19; CHECK-NEXT: [[L1:%.*]] = load i8, ptr [[PHI]], align 120; CHECK-NEXT: [[NEXT]] = getelementptr inbounds i8, ptr [[PHI]], i8 [[L1]]21; CHECK-NEXT: br label %[[LOOP]]22;23entry:24 br label %loop25 26loop:27 %phi = phi ptr [ %begin, %entry ], [ %next, %loop ]28 %l0 = load i8, ptr %phi29 call void @bar(i8 %l0)30 %l1 = load i8, ptr %phi31 %next = getelementptr inbounds i8, ptr %phi, i8 %l132 br label %loop33}34 35declare void @bar(i8)36