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 8 define signext i32 @test1(i32 signext %x) #0 { 9 entry: 10 %idxprom = sext i32 %x to i64 11 %arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* @f.a, i64 0, i64 %idxprom 12 %0 = load i32, i32* %arrayidx, align 4 13 ret i32 %0 14 15 ; CHECK-LABEL: @test1 16 ; CHECK: ret i32 12 17 } 18 19 declare void @foo(i64* %p) 20 define void @test2(i32 signext %x, i64 %v) #0 { 21 entry: 22 %p = alloca i64 23 %idxprom = sext i32 %x to i64 24 %arrayidx = getelementptr inbounds i64, i64* %p, i64 %idxprom 25 store i64 %v, i64* %arrayidx 26 call void @foo(i64* %p) 27 ret void 28 29 ; CHECK-LABEL: @test2 30 ; CHECK: %p = alloca i64 31 ; CHECK: store i64 %v, i64* %p 32 ; CHECK: ret void 33 } 34 35 define signext i32 @test3(i32 signext %x, i1 %y) #0 { 36 entry: 37 %idxprom = sext i32 %x to i64 38 %p = select i1 %y, [1 x i32]* @f.a, [1 x i32]* @f.b 39 %arrayidx = getelementptr inbounds [1 x i32], [1 x i32]* %p, i64 0, i64 %idxprom 40 %0 = load i32, i32* %arrayidx, align 4 41 ret i32 %0 42 43 ; CHECK-LABEL: @test3 44 ; CHECK: getelementptr inbounds [1 x i32], [1 x i32]* %p, i64 0, i64 0 45 } 46 47 attributes #0 = { nounwind readnone } 48 49
