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; RUN: llc < %s -mtriple=thumbv7-apple-ios -mattr=+thumb2 | FileCheck %s -check-prefix=ALL -check-prefix=CHECK
; RUN: llc < %s -mtriple=thumbv7-apple-ios -mattr=+thumb2 -arm-assume-misaligned-load-store | FileCheck %s -check-prefix=ALL -check-prefix=CONSERVATIVE
@X = external global [0 x i32] ; <ptr> [#uses=5]
define i32 @t1() "frame-pointer"="all" {
; ALL-LABEL: t1:
; ALL: push {r7, lr}
; CHECK: ldrd
; CONSERVATIVE-NOT: ldrd
; CONSERVATIVE-NOT: ldm
; ALL: pop {r7, pc}
%tmp = load i32, ptr @X ; <i32> [#uses=1]
%tmp3 = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 1) ; <i32> [#uses=1]
%tmp4 = call i32 @f1( i32 %tmp, i32 %tmp3 ) ; <i32> [#uses=1]
ret i32 %tmp4
}
define i32 @t2() "frame-pointer"="all" {
; ALL-LABEL: t2:
; ALL: push {r7, lr}
; CHECK: ldm
; CONSERVATIVE-NOT: ldrd
; CONSERVATIVE-NOT: ldm
; ALL: pop {r7, pc}
%tmp = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 2) ; <i32> [#uses=1]
%tmp3 = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 3) ; <i32> [#uses=1]
%tmp5 = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 4) ; <i32> [#uses=1]
%tmp6 = call i32 @f2( i32 %tmp, i32 %tmp3, i32 %tmp5 ) ; <i32> [#uses=1]
ret i32 %tmp6
}
define i32 @t3() "frame-pointer"="all" {
; ALL-LABEL: t3:
; ALL: push {r7, lr}
; CHECK: ldm
; CONSERVATIVE-NOT: ldrd
; CONSERVATIVE-NOT: ldm
; ALL: pop {r7, pc}
%tmp = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 1) ; <i32> [#uses=1]
%tmp3 = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 2) ; <i32> [#uses=1]
%tmp5 = load i32, ptr getelementptr ([0 x i32], ptr @X, i32 0, i32 3) ; <i32> [#uses=1]
%tmp6 = call i32 @f2( i32 %tmp, i32 %tmp3, i32 %tmp5 ) ; <i32> [#uses=1]
ret i32 %tmp6
}
@g = common global ptr null
define void @t4(i32 %a0, i32 %a1, i32 %a2) "frame-pointer"="all" {
; ALL-LABEL: t4:
; ALL: stm.w sp, {r0, r1, r2}
; ALL: bl _ext
; ALL: ldm.w sp, {r0, r1, r2}
; ALL: bl _f2
%arr = alloca [4 x i32], align 4
%p1 = getelementptr inbounds [4 x i32], ptr %arr, i64 0, i64 1
%p2 = getelementptr inbounds [4 x i32], ptr %arr, i64 0, i64 2
store ptr %arr, ptr @g, align 8
store i32 %a0, ptr %arr, align 4
store i32 %a1, ptr %p1, align 4
store i32 %a2, ptr %p2, align 4
call void @ext()
%v0 = load i32, ptr %arr, align 4
%v1 = load i32, ptr %p1, align 4
%v2 = load i32, ptr %p2, align 4
call i32 @f2(i32 %v0, i32 %v1, i32 %v2)
ret void
}
declare i32 @f1(i32, i32)
declare i32 @f2(i32, i32, i32)
declare void @ext()
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