llvm-6502/test/CodeGen/AArch64/tst-br.ll
Tim Northover 1a8adcb569 AArch64/ARM64: add another set of tests from AArch64
Another batch with no code changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206381 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-16 11:53:07 +00:00

50 lines
1.3 KiB
LLVM

; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
; We've got the usual issues with LLVM reordering blocks here. The
; tests are correct for the current order, but who knows when that
; will change. Beware!
@var32 = global i32 0
@var64 = global i64 0
define i32 @test_tbz() {
; CHECK-LABEL: test_tbz:
%val = load i32* @var32
%val64 = load i64* @var64
%tbit0 = and i32 %val, 32768
%tst0 = icmp ne i32 %tbit0, 0
br i1 %tst0, label %test1, label %end1
; CHECK: tbz {{w[0-9]+}}, #15, [[LBL_end1:.?LBB0_[0-9]+]]
test1:
%tbit1 = and i32 %val, 4096
%tst1 = icmp ne i32 %tbit1, 0
br i1 %tst1, label %test2, label %end1
; CHECK: tbz {{w[0-9]+}}, #12, [[LBL_end1]]
test2:
%tbit2 = and i64 %val64, 32768
%tst2 = icmp ne i64 %tbit2, 0
br i1 %tst2, label %test3, label %end1
; CHECK: tbz {{[wx][0-9]+}}, #15, [[LBL_end1]]
test3:
%tbit3 = and i64 %val64, 4096
%tst3 = icmp ne i64 %tbit3, 0
br i1 %tst3, label %end2, label %end1
; CHECK: tbz {{[wx][0-9]+}}, #12, [[LBL_end1]]
end2:
; CHECK: {{movz x0, #1|orr w0, wzr, #0x1}}
; CHECK-NEXT: ret
ret i32 1
end1:
; CHECK: [[LBL_end1]]:
; CHECK-NEXT: {{mov x0, xzr|mov w0, wzr}}
; CHECK-NEXT: ret
ret i32 0
}