blob: cddecbd9babbe4546b8a7d5360747dd739a0be74 [file] [log] [blame]
; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-cbz-offset-bits=3 < %s | FileCheck %s
; CHECK-LABEL: _split_block_no_fallthrough:
; CHECK: cmn x{{[0-9]+}}, #5
; CHECK-NEXT: b.le [[B2:LBB[0-9]+_[0-9]+]]
; CHECK-NEXT: ; %bb.1: ; %b3
; CHECK: ldr [[LOAD:w[0-9]+]]
; CHECK: cbnz [[LOAD]], [[B8:LBB[0-9]+_[0-9]+]]
; CHECK-NEXT: b [[B7:LBB[0-9]+_[0-9]+]]
; CHECK-NEXT: [[B8]]: ; %b8
; CHECK-NEXT: ret
; CHECK-NEXT: [[B2]]: ; %b2
; CHECK: mov w{{[0-9]+}}, #93
; CHECK: bl _extfunc
; CHECK: cbz w{{[0-9]+}}, [[B7]]
; CHECK-NEXT: b [[B8]]
; CHECK-NEXT: [[B7]]: ; %b7
; CHECK: mov w{{[0-9]+}}, #13
; CHECK: b _extfunc
define void @split_block_no_fallthrough(i64 %val) #0 {
bb:
%c0 = icmp sgt i64 %val, -5
br i1 %c0, label %b3, label %b2
b2:
%v0 = tail call i32 @extfunc(i32 93)
%c1 = icmp eq i32 %v0, 0
br i1 %c1, label %b7, label %b8
b3:
%v1 = load volatile i32, i32* undef, align 4
%c2 = icmp eq i32 %v1, 0
br i1 %c2, label %b7, label %b8
b7:
%tmp1 = tail call i32 @extfunc(i32 13)
ret void
b8:
ret void
}
declare i32 @extfunc(i32) #0
attributes #0 = { nounwind }