| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -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({ i1, i8 }* %predA, { i1, i8 }* %predB) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: [[VALUELOADA_FCA_0_GEP:%.*]] = getelementptr inbounds { i1, i8 }, { i1, i8 }* [[PREDA:%.*]], i64 0, i32 0 |
| ; CHECK-NEXT: [[VALUELOADA_FCA_0_LOAD:%.*]] = load i1, i1* [[VALUELOADA_FCA_0_GEP]], align 8 |
| ; CHECK-NEXT: [[VALUELOADB_FCA_0_GEP:%.*]] = getelementptr inbounds { i1, i8 }, { i1, i8 }* [[PREDB:%.*]], i64 0, i32 0 |
| ; CHECK-NEXT: [[VALUELOADB_FCA_0_LOAD:%.*]] = load i1, i1* [[VALUELOADB_FCA_0_GEP]], 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 }, { i1, i8 }* [[PREDA]], i64 0, i32 1 |
| ; CHECK-NEXT: [[VALUELOADA_FCA_1_LOAD:%.*]] = load i8, i8* [[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 }, { i1, i8 }* [[PREDB]], i64 0, i32 1 |
| ; CHECK-NEXT: [[VALUELOADB_FCA_1_LOAD:%.*]] = load i8, i8* [[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 }, { i1, i8 }* %predA, i64 0, i32 0 |
| %valueLoadA.fca.0.load = load i1, i1* %valueLoadA.fca.0.gep, align 8 |
| %valueLoadB.fca.0.gep = getelementptr inbounds { i1, i8 }, { i1, i8 }* %predB, i64 0, i32 0 |
| %valueLoadB.fca.0.load = load i1, i1* %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 }, { i1, i8 }* %predA, i64 0, i32 1 |
| %valueLoadA.fca.1.load = load i8, i8* %valueLoadA.fca.1.gep, align 1 |
| %isNotNullA = icmp ne i8 %valueLoadA.fca.1.load, 0 |
| %valueLoadB.fca.1.gep = getelementptr inbounds { i1, i8 }, { i1, i8 }* %predB, i64 0, i32 1 |
| %valueLoadB.fca.1.load = load i8, i8* %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, i8* %P) { |
| ; CHECK-LABEL: @test2( |
| ; CHECK-NEXT: store i8 [[V:%.*]], i8* [[P:%.*]], align 1 |
| ; CHECK-NEXT: [[P2:%.*]] = bitcast i8* [[P]] to i1* |
| ; CHECK-NEXT: [[TMP1:%.*]] = trunc i8 [[V]] to i1 |
| ; CHECK-NEXT: ret i1 [[TMP1]] |
| ; |
| store i8 %V, i8* %P |
| %P2 = bitcast i8* %P to i1* |
| %A = load i1, i1* %P2 |
| ret i1 %A |
| } |
| |