; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=gvn -S < %s | FileCheck %s target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64-unknown-linux-gnu" ;; Make sure we use correct bit shift based on storage size for ;; loads reusing a load value. define i64 @test1(ptr %predA, ptr %predB) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: [[VALUELOADA_FCA_0_LOAD:%.*]] = load i1, ptr [[PREDA:%.*]], align 8 ; CHECK-NEXT: [[VALUELOADB_FCA_0_LOAD:%.*]] = load i1, ptr [[PREDB:%.*]], align 8 ; CHECK-NEXT: [[ISTRUE:%.*]] = and i1 [[VALUELOADA_FCA_0_LOAD]], [[VALUELOADB_FCA_0_LOAD]] ; CHECK-NEXT: [[VALUELOADA_FCA_1_GEP:%.*]] = getelementptr inbounds { i1, i8 }, ptr [[PREDA]], i64 0, i32 1 ; CHECK-NEXT: [[VALUELOADA_FCA_1_LOAD:%.*]] = load i8, ptr [[VALUELOADA_FCA_1_GEP]], align 1 ; CHECK-NEXT: [[ISNOTNULLA:%.*]] = icmp ne i8 [[VALUELOADA_FCA_1_LOAD]], 0 ; CHECK-NEXT: [[VALUELOADB_FCA_1_GEP:%.*]] = getelementptr inbounds { i1, i8 }, ptr [[PREDB]], i64 0, i32 1 ; CHECK-NEXT: [[VALUELOADB_FCA_1_LOAD:%.*]] = load i8, ptr [[VALUELOADB_FCA_1_GEP]], align 1 ; CHECK-NEXT: [[ISNOTNULLB:%.*]] = icmp ne i8 [[VALUELOADB_FCA_1_LOAD]], 0 ; CHECK-NEXT: [[ISNOTNULL:%.*]] = and i1 [[ISNOTNULLA]], [[ISNOTNULLB]] ; CHECK-NEXT: [[ISTRUEANDNOTNULL:%.*]] = and i1 [[ISTRUE]], [[ISNOTNULL]] ; CHECK-NEXT: [[RET:%.*]] = zext i1 [[ISTRUEANDNOTNULL]] to i64 ; CHECK-NEXT: ret i64 [[RET]] ; %valueLoadA.fca.0.gep = getelementptr inbounds { i1, i8 }, ptr %predA, i64 0, i32 0 %valueLoadA.fca.0.load = load i1, ptr %valueLoadA.fca.0.gep, align 8 %valueLoadB.fca.0.gep = getelementptr inbounds { i1, i8 }, ptr %predB, i64 0, i32 0 %valueLoadB.fca.0.load = load i1, ptr %valueLoadB.fca.0.gep, align 8 %isTrue = and i1 %valueLoadA.fca.0.load, %valueLoadB.fca.0.load %valueLoadA.fca.1.gep = getelementptr inbounds { i1, i8 }, ptr %predA, i64 0, i32 1 %valueLoadA.fca.1.load = load i8, ptr %valueLoadA.fca.1.gep, align 1 %isNotNullA = icmp ne i8 %valueLoadA.fca.1.load, 0 %valueLoadB.fca.1.gep = getelementptr inbounds { i1, i8 }, ptr %predB, i64 0, i32 1 %valueLoadB.fca.1.load = load i8, ptr %valueLoadB.fca.1.gep, align 1 %isNotNullB = icmp ne i8 %valueLoadB.fca.1.load, 0 %isNotNull = and i1 %isNotNullA, %isNotNullB %isTrueAndNotNull = and i1 %isTrue, %isNotNull %ret = zext i1 %isTrueAndNotNull to i64 ret i64 %ret } ;; And likewise for loads reusing a store value. define i1 @test2(i8 %V, ptr %P) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: store i8 [[V:%.*]], ptr [[P:%.*]], align 1 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i8 [[V]] to i1 ; CHECK-NEXT: ret i1 [[TMP1]] ; store i8 %V, ptr %P %A = load i1, ptr %P ret i1 %A }