1 ; RUN: opt -S -instcombine < %s | FileCheck %s 2 target datalayout = "E-m:e-i64:64-n32:64" 3 target triple = "powerpc64-unknown-linux-gnu" 4 5 @f.a = private unnamed_addr constant [1 x i32] [i32 12], align 4 6 @f.b = private unnamed_addr constant [1 x i32] [i32 55], align 4 7 @f.c = linkonce unnamed_addr alias [1 x i32], [1 x i32]* @f.b 8 9 define signext i32 @test1(i32 signext %x) #0 { 10 entry: 11 %idxprom = sext i32 %x to i64 12 %arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* @f.a, i64 0, i64 %idxprom 13 %0 = load i32, i32* %arrayidx, align 4 14 ret i32 %0 15 16 ; CHECK-LABEL: @test1 17 ; CHECK: ret i32 12 18 } 19 20 declare void @foo(i64* %p) 21 define void @test2(i32 signext %x, i64 %v) #0 { 22 entry: 23 %p = alloca i64 24 %idxprom = sext i32 %x to i64 25 %arrayidx = getelementptr inbounds i64, i64* %p, i64 %idxprom 26 store i64 %v, i64* %arrayidx 27 call void @foo(i64* %p) 28 ret void 29 30 ; CHECK-LABEL: @test2 31 ; CHECK: %p = alloca i64 32 ; CHECK: store i64 %v, i64* %p 33 ; CHECK: ret void 34 } 35 36 define signext i32 @test3(i32 signext %x, i1 %y) #0 { 37 entry: 38 %idxprom = sext i32 %x to i64 39 %p = select i1 %y, [1 x i32]* @f.a, [1 x i32]* @f.b 40 %arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* %p, i64 0, i64 %idxprom 41 %0 = load i32, i32* %arrayidx, align 4 42 ret i32 %0 43 44 ; CHECK-LABEL: @test3 45 ; CHECK: getelementptr inbounds [1 x i32], [1 x i32]* %p, i64 0, i64 0 46 } 47 48 define signext i32 @test4(i32 signext %x, i1 %y) #0 { 49 entry: 50 %idxprom = sext i32 %x to i64 51 %arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* @f.c, i64 0, i64 %idxprom 52 %0 = load i32, i32* %arrayidx, align 4 53 ret i32 %0 54 55 ; CHECK-LABEL: @test4 56 ; CHECK: getelementptr inbounds [1 x i32], [1 x i32]* @f.c, i64 0, i64 %idxprom 57 } 58 59 attributes #0 = { nounwind readnone } 60 61
