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; RUN: llc -mtriple=aarch64-apple-ios7.0 -disable-block-placement -aarch64-tbz-offset-bits=4 -o - %s | FileCheck %s
define i32 @test_asm_length(i32 %in) {
; CHECK-LABEL: test_asm_length:
; It would be more natural to use just one "tbnz %false" here, but if the
; number of instructions in the asm is counted reasonably, that block is out
; of the limited range we gave tbz. So branch relaxation has to invert the
; condition.
; CHECK: tbz w0, #0, [[TRUE:LBB[0-9]+_[0-9]+]]
; CHECK: b [[FALSE:LBB[0-9]+_[0-9]+]]
; CHECK: [[TRUE]]:
; CHECK: orr w0, wzr, #0x4
; CHECK: nop
; CHECK: nop
; CHECK: nop
; CHECK: nop
; CHECK: nop
; CHECK: nop
; CHECK: ret
; CHECK: [[FALSE]]:
; CHECK: ret
%val = and i32 %in, 1
%tst = icmp eq i32 %val, 0
br i1 %tst, label %true, label %false
true:
call void asm sideeffect "nop\0A\09nop\0A\09nop\0A\09nop\0A\09nop\0A\09nop", ""()
ret i32 4
false:
ret i32 0
}
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