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; RUN: llc -relocation-model=pic -mtriple=thumbv7-unknown-linux -o - %s | FileCheck %s
@x = external global i32
; CHECK: .globl foo
; CHECK-NEXT: .p2align 2
define i32* @foo() {
ret i32* @x
}
; CHECK: .globl bar
; CHECK-NEXT: .p2align 1
define i32* @bar() {
ret i32* zeroinitializer
}
@a = external global i32
@b = external global i32
@c = external global i32
@d = external global i32
; Create a Thumb-2 jump table, which should force alignment to 4 bytes.
; CHECK: .globl baz
; CHECK-NEXT: .p2align 2
; CHECK: tbb
define i32 @baz() {
%1 = load i32, i32* @c, align 4
switch i32 %1, label %7 [
i32 1, label %2
i32 4, label %5
i32 9, label %5
i32 3, label %8
]
; <label>:2
%3 = load i32, i32* @a, align 4
%4 = tail call i32 bitcast (i32 (...)* @fn2 to i32 (i32 (...)*, i32, i32)*)(i32 (...)* bitcast (i32 ()* @baz to i32 (...)*), i32 0, i32 %3) #2
br label %8
; <label>:5
%6 = load i32, i32* @d, align 4
store i32 %6, i32* @b, align 4
br label %8
; <label>:7
br label %8
; <label>:8
%e.0 = phi i32 [ 1, %7 ], [ 1, %2 ], [ 0, %0 ], [ 0, %5 ]
ret i32 %e.0
}
declare i32 @fn2(...)
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