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; RUN: opt < %s -scalarrepl -S | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
target triple = "i386-pc-linux-gnu"
; PR3466
; Off end of array, don't transform.
define i32 @test1() {
; CHECK-LABEL: @test1(
; CHECK-NOT: = alloca
%X = alloca [4 x i32]
%Y = getelementptr [4 x i32], [4 x i32]* %X, i64 0, i64 6 ; <i32*> [#uses=2]
store i32 0, i32* %Y
%Z = load i32, i32* %Y ; <i32> [#uses=1]
ret i32 %Z
}
; Off end of array, don't transform.
define i32 @test2() nounwind {
entry:
; CHECK-LABEL: @test2(
; CHECK-NOT: = alloca
%yx2.i = alloca float, align 4 ; <float*> [#uses=1]
%yx26.i = bitcast float* %yx2.i to i64* ; <i64*> [#uses=1]
%0 = load i64, i64* %yx26.i, align 8 ; <i64> [#uses=0]
unreachable
}
%base = type { i32, [0 x i8] }
%padded = type { %base, [1 x i32] }
; PR5436
define void @test3() {
entry:
; CHECK-LABEL: @test3(
; CHECK-NOT: = alloca
; CHECK: store i64
%var_1 = alloca %padded, align 8 ; <%padded*> [#uses=3]
%0 = getelementptr inbounds %padded, %padded* %var_1, i32 0, i32 0 ; <%base*> [#uses=2]
%p2 = getelementptr inbounds %base, %base* %0, i32 0, i32 1, i32 0 ; <i8*> [#uses=1]
store i8 72, i8* %p2, align 1
; 72 -> a[0].
%callret = call %padded *@test3f() ; <i32> [#uses=2]
%callretcast = bitcast %padded* %callret to i8* ; <i8*> [#uses=1]
%var_11 = bitcast %padded* %var_1 to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %callretcast, i8* %var_11, i32 8, i32 4, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
declare %padded* @test3f()
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