llvm-6502/test/CodeGen/ARM/long_shift.ll
Matthias Braun 1dfe206062 Revert "Tests: Be less dependent on a specific schedule/regalloc"
This reverts r192454

Apparently FileCheck isn't as smart as I though and does not enforce a
topological order between variable defs+uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192472 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-11 18:09:19 +00:00

48 lines
1.1 KiB
LLVM

; RUN: llc < %s -march=arm | FileCheck %s
define i64 @f0(i64 %A, i64 %B) {
; CHECK-LABEL: f0:
; CHECK: lsrs r3, r3, #1
; CHECK-NEXT: rrx r2, r2
; CHECK-NEXT: subs r0, r0, r2
; CHECK-NEXT: sbc r1, r1, r3
%tmp = bitcast i64 %A to i64
%tmp2 = lshr i64 %B, 1
%tmp3 = sub i64 %tmp, %tmp2
ret i64 %tmp3
}
define i32 @f1(i64 %x, i64 %y) {
; CHECK-LABEL: f1:
; CHECK: lsl{{.*}}r2
%a = shl i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f2(i64 %x, i64 %y) {
; CHECK-LABEL: f2:
; CHECK: lsr{{.*}}r2
; CHECK-NEXT: rsb r3, r2, #32
; CHECK-NEXT: sub r2, r2, #32
; CHECK-NEXT: orr r0, r0, r1, lsl r3
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: asrge r0, r1, r2
%a = ashr i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f3(i64 %x, i64 %y) {
; CHECK-LABEL: f3:
; CHECK: lsr{{.*}}r2
; CHECK-NEXT: rsb r3, r2, #32
; CHECK-NEXT: sub r2, r2, #32
; CHECK-NEXT: orr r0, r0, r1, lsl r3
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: lsrge r0, r1, r2
%a = lshr i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
}