1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes=newgvn -S < %s | FileCheck %s
4 target datalayout = "E-m:e-i64:64-n32:64"
5 target triple = "powerpc64-unknown-linux-gnu"
7 ;; Make sure we use correct bit shift based on storage size for
8 ;; loads reusing a load value.
9 define i64 @test1(ptr %predA, ptr %predB) {
10 ; CHECK-LABEL: @test1(
11 ; CHECK-NEXT: [[VALUELOADA_FCA_0_LOAD:%.*]] = load i1, ptr [[PREDA:%.*]], align 8
12 ; CHECK-NEXT: [[VALUELOADB_FCA_0_LOAD:%.*]] = load i1, ptr [[PREDB:%.*]], align 8
13 ; CHECK-NEXT: [[ISTRUE:%.*]] = and i1 [[VALUELOADA_FCA_0_LOAD]], [[VALUELOADB_FCA_0_LOAD]]
14 ; CHECK-NEXT: [[VALUELOADA_FCA_1_GEP:%.*]] = getelementptr inbounds { i1, i8 }, ptr [[PREDA]], i64 0, i32 1
15 ; CHECK-NEXT: [[VALUELOADA_FCA_1_LOAD:%.*]] = load i8, ptr [[VALUELOADA_FCA_1_GEP]], align 1
16 ; CHECK-NEXT: [[ISNOTNULLA:%.*]] = icmp ne i8 [[VALUELOADA_FCA_1_LOAD]], 0
17 ; CHECK-NEXT: [[VALUELOADB_FCA_1_GEP:%.*]] = getelementptr inbounds { i1, i8 }, ptr [[PREDB]], i64 0, i32 1
18 ; CHECK-NEXT: [[VALUELOADB_FCA_1_LOAD:%.*]] = load i8, ptr [[VALUELOADB_FCA_1_GEP]], align 1
19 ; CHECK-NEXT: [[ISNOTNULLB:%.*]] = icmp ne i8 [[VALUELOADB_FCA_1_LOAD]], 0
20 ; CHECK-NEXT: [[ISNOTNULL:%.*]] = and i1 [[ISNOTNULLA]], [[ISNOTNULLB]]
21 ; CHECK-NEXT: [[ISTRUEANDNOTNULL:%.*]] = and i1 [[ISTRUE]], [[ISNOTNULL]]
22 ; CHECK-NEXT: [[RET:%.*]] = zext i1 [[ISTRUEANDNOTNULL]] to i64
23 ; CHECK-NEXT: ret i64 [[RET]]
26 %valueLoadA.fca.0.gep = getelementptr inbounds { i1, i8 }, ptr %predA, i64 0, i32 0
27 %valueLoadA.fca.0.load = load i1, ptr %valueLoadA.fca.0.gep, align 8
28 %valueLoadB.fca.0.gep = getelementptr inbounds { i1, i8 }, ptr %predB, i64 0, i32 0
29 %valueLoadB.fca.0.load = load i1, ptr %valueLoadB.fca.0.gep, align 8
30 %isTrue = and i1 %valueLoadA.fca.0.load, %valueLoadB.fca.0.load
31 %valueLoadA.fca.1.gep = getelementptr inbounds { i1, i8 }, ptr %predA, i64 0, i32 1
32 %valueLoadA.fca.1.load = load i8, ptr %valueLoadA.fca.1.gep, align 1
33 %isNotNullA = icmp ne i8 %valueLoadA.fca.1.load, 0
34 %valueLoadB.fca.1.gep = getelementptr inbounds { i1, i8 }, ptr %predB, i64 0, i32 1
35 %valueLoadB.fca.1.load = load i8, ptr %valueLoadB.fca.1.gep, align 1
36 %isNotNullB = icmp ne i8 %valueLoadB.fca.1.load, 0
37 %isNotNull = and i1 %isNotNullA, %isNotNullB
38 %isTrueAndNotNull = and i1 %isTrue, %isNotNull
39 %ret = zext i1 %isTrueAndNotNull to i64
43 ;; And likewise for loads reusing a store value.
44 define i1 @test2(i8 %V, ptr %P) {
45 ; CHECK-LABEL: @test2(
46 ; CHECK-NEXT: store i8 [[V:%.*]], ptr [[P:%.*]], align 1
47 ; CHECK-NEXT: [[A:%.*]] = load i1, ptr [[P]], align 1
48 ; CHECK-NEXT: ret i1 [[A]]