mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 07:52:55 +01:00
e1b1bbb882
Filed PR11364 to track the problem. Should the register allocator eliminate dead code? llvm-svn: 144471
29 lines
725 B
LLVM
29 lines
725 B
LLVM
; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s
|
|
; XFAIL: *
|
|
; PR11364
|
|
|
|
; vmov s0, r0 + vmov r0, s0 should have been optimized away.
|
|
; rdar://9104514
|
|
|
|
; Peephole leaves a dead vmovsr instruction behind, and depends on linear scan
|
|
; to remove it.
|
|
|
|
define void @t(float %x) nounwind ssp {
|
|
entry:
|
|
; CHECK: t:
|
|
; CHECK-NOT: vmov
|
|
; CHECK: bl
|
|
%0 = bitcast float %x to i32
|
|
%cmp = icmp ult i32 %0, 2139095039
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
tail call void @doSomething(float %x) nounwind
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
ret void
|
|
}
|
|
|
|
declare void @doSomething(float)
|