1; RUN: opt -S -instcombine < %s | FileCheck %s 2target datalayout = "E-m:e-i64:64-n32:64" 3target 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 8define signext i32 @test1(i32 signext %x) #0 { 9entry: 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 19declare void @foo(i64* %p) 20define void @test2(i32 signext %x, i64 %v) #0 { 21entry: 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 35define signext i32 @test3(i32 signext %x, i1 %y) #0 { 36entry: 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 47attributes #0 = { nounwind readnone } 48 49