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llvm-mirror/test/CodeGen/AArch64/branch-relax-alignment.ll
Dávid Bolvanský 26599cbe3f Revert "[BPI] Improve static heuristics for integer comparisons"
This reverts commit 50c743fa713002fe4e0c76d23043e6c1f9e9fe6f. Patch will be split to smaller ones.
2020-08-17 20:44:33 +02:00

30 lines
731 B
LLVM

; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-bcc-offset-bits=4 -align-all-nofallthru-blocks=4 < %s | FileCheck %s
; Long branch is assumed because the block has a higher alignment
; requirement than the function.
; CHECK-LABEL: invert_bcc_block_align_higher_func:
; CHECK: b.eq [[JUMP_BB1:LBB[0-9]+_[0-9]+]]
; CHECK-NEXT: b [[JUMP_BB2:LBB[0-9]+_[0-9]+]]
; CHECK: [[JUMP_BB1]]:
; CHECK: ret
; CHECK: .p2align 4
; CHECK: [[JUMP_BB2]]:
; CHECK: ret
define i32 @invert_bcc_block_align_higher_func(i32 %x, i32 %y) align 4 #0 {
%1 = icmp eq i32 %x, %y
br i1 %1, label %bb1, label %bb2
bb2:
store volatile i32 9, i32* undef
ret i32 1
bb1:
store volatile i32 42, i32* undef
ret i32 0
}
attributes #0 = { nounwind }