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; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0.0 | FileCheck %s
; rdar://10464621
; DAG combine increases loads from packed types. ARM load / store optimizer then
; combined them into a ldm which causes runtime exception.
%struct.InformationBlock = type <{ i32, %struct.FlagBits, %struct.FlagBits }>
%struct.FlagBits = type <{ [4 x i32] }>
@infoBlock = external global %struct.InformationBlock
define hidden void @foo() {
; CHECK-LABEL: foo:
; CHECK: ldr.w
; CHECK: ldr.w
; CHECK-NOT: ldm
entry:
%tmp13 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 0), align 1
%tmp15 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 1), align 1
%tmp17 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 2), align 1
%tmp19 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 3), align 1
%tmp = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 0), align 1
%tmp3 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 1), align 1
%tmp4 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 2), align 1
%tmp5 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 3), align 1
%insert21 = insertvalue [4 x i32] undef, i32 %tmp13, 0
%insert23 = insertvalue [4 x i32] %insert21, i32 %tmp15, 1
%insert25 = insertvalue [4 x i32] %insert23, i32 %tmp17, 2
%insert27 = insertvalue [4 x i32] %insert25, i32 %tmp19, 3
%insert = insertvalue [4 x i32] undef, i32 %tmp, 0
%insert7 = insertvalue [4 x i32] %insert, i32 %tmp3, 1
%insert9 = insertvalue [4 x i32] %insert7, i32 %tmp4, 2
%insert11 = insertvalue [4 x i32] %insert9, i32 %tmp5, 3
tail call void @bar([4 x i32] %insert27, [4 x i32] %insert11)
ret void
}
declare void @bar([4 x i32], [4 x i32])
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