llvm/test/CodeGen/AArch64/compare-branch.ll
Kyle Butt 02e59638f8 Tests: Add branch weights to non-layout tests.
Add branch weights to a few tests that aren't testing layout to make them less
sensitive to changes in the layout algorithm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277186 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-29 18:09:25 +00:00

42 lines
929 B
LLVM

; RUN: llc -verify-machineinstrs -o - %s -mtriple=aarch64-linux-gnu | FileCheck %s
@var32 = global i32 0
@var64 = global i64 0
define void @foo() {
; CHECK-LABEL: foo:
%val1 = load volatile i32, i32* @var32
%tst1 = icmp eq i32 %val1, 0
br i1 %tst1, label %end, label %test2, !prof !1
; CHECK: cbz {{w[0-9]+}}, .LBB
test2:
%val2 = load volatile i32, i32* @var32
%tst2 = icmp ne i32 %val2, 0
br i1 %tst2, label %end, label %test3, !prof !1
; CHECK: cbnz {{w[0-9]+}}, .LBB
test3:
%val3 = load volatile i64, i64* @var64
%tst3 = icmp eq i64 %val3, 0
br i1 %tst3, label %end, label %test4, !prof !1
; CHECK: cbz {{x[0-9]+}}, .LBB
test4:
%val4 = load volatile i64, i64* @var64
%tst4 = icmp ne i64 %val4, 0
br i1 %tst4, label %end, label %test5, !prof !1
; CHECK: cbnz {{x[0-9]+}}, .LBB
test5:
store volatile i64 %val4, i64* @var64
ret void
end:
ret void
}
!1 = !{!"branch_weights", i32 1, i32 1}