mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-06 10:58:44 +00:00
c7dbf2fe82
Re-enable commit r323991 now that r325931 has been committed to make MachineOperand::isRenamable() check more conservative w.r.t. code changes and opt-in on a per-target basis. llvm-svn: 326208
47 lines
1.1 KiB
LLVM
47 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s
|
|
; LSR used to pick a sub-optimal solution due to the target responding
|
|
; conservatively to isLegalAddImmediate for negative values.
|
|
|
|
declare void @foo(i32)
|
|
|
|
define void @test(i32 %px) {
|
|
; CHECK_LABEL: test:
|
|
; CHECK_LABEL: %entry
|
|
; CHECK: subs [[REG0:w[0-9]+]],
|
|
; CHECK: csel {{w[0-9]+}}, wzr, [[REG0]]
|
|
entry:
|
|
%sub = add nsw i32 %px, -1
|
|
%cmp = icmp slt i32 %px, 1
|
|
%.sub = select i1 %cmp, i32 0, i32 %sub
|
|
br label %for.body
|
|
|
|
for.body:
|
|
; CHECK_LABEL: %for.body
|
|
; CHECK: cmp
|
|
; CHECK-NEXT: b.eq
|
|
; CHECK-LABEL: %if.then3
|
|
%x.015 = phi i32 [ %inc, %for.inc ], [ %.sub, %entry ]
|
|
%cmp2 = icmp eq i32 %x.015, %px
|
|
br i1 %cmp2, label %for.inc, label %if.then3
|
|
|
|
if.then3:
|
|
tail call void @foo(i32 %x.015)
|
|
br label %for.inc
|
|
|
|
for.inc:
|
|
; CHECK_LABEL: %for.inc
|
|
; CHECK: cmp
|
|
; CHECK-NEXT: add
|
|
; CHECK-NEXT: b.le
|
|
; CHECK_LABEL: %for.cond.cleanup
|
|
%inc = add nsw i32 %x.015, 1
|
|
%cmp1 = icmp sgt i32 %x.015, %px
|
|
br i1 %cmp1, label %for.cond.cleanup.loopexit, label %for.body
|
|
|
|
for.cond.cleanup.loopexit:
|
|
br label %for.cond.cleanup
|
|
|
|
for.cond.cleanup:
|
|
ret void
|
|
}
|