forked from OSchip/llvm-project
59 lines
1.7 KiB
LLVM
59 lines
1.7 KiB
LLVM
|
; RUN: llc < %s | FileCheck %s
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
||
|
|
target triple = "x86_64-apple-darwin10.0.0"
|
||
|
|
|
||
|
|
define i32 @f(i32 %x) nounwind ssp {
|
||
|
|
entry:
|
||
|
|
%shl.i = shl i32 %x, 12
|
||
|
|
%neg.i = xor i32 %shl.i, -1
|
||
|
|
%add.i = add nsw i32 %neg.i, %x
|
||
|
|
%shr.i = ashr i32 %add.i, 22
|
||
|
|
%xor.i = xor i32 %shr.i, %add.i
|
||
|
|
%shl5.i = shl i32 %xor.i, 13
|
||
|
|
%neg6.i = xor i32 %shl5.i, -1
|
||
|
|
%add8.i = add nsw i32 %xor.i, %neg6.i
|
||
|
|
%shr10.i = ashr i32 %add8.i, 8
|
||
|
|
%xor12.i = xor i32 %shr10.i, %add8.i
|
||
|
|
%add16.i = mul i32 %xor12.i, 9
|
||
|
|
%shr18.i = ashr i32 %add16.i, 15
|
||
|
|
%xor20.i = xor i32 %shr18.i, %add16.i
|
||
|
|
%shl22.i = shl i32 %xor20.i, 27
|
||
|
|
%neg23.i = xor i32 %shl22.i, -1
|
||
|
|
%add25.i = add nsw i32 %xor20.i, %neg23.i
|
||
|
|
%shr27.i = ashr i32 %add25.i, 31
|
||
|
|
%rem = srem i32 %x, 7
|
||
|
|
%cmp = icmp eq i32 %rem, 3
|
||
|
|
br i1 %cmp, label %land.lhs.true, label %do.body.preheader
|
||
|
|
|
||
|
|
land.lhs.true:
|
||
|
|
%call3 = tail call i32 @g(i32 %x) nounwind
|
||
|
|
%cmp4 = icmp eq i32 %call3, 10
|
||
|
|
br i1 %cmp4, label %do.body.preheader, label %if.then
|
||
|
|
|
||
|
|
; %shl.i should be sinked all the way down to do.body.preheader, but not into the loop.
|
||
|
|
; CHECK: do.body.preheader
|
||
|
|
; CHECK-NOT: do.body
|
||
|
|
; CHECK: shll $12
|
||
|
|
|
||
|
|
do.body.preheader:
|
||
|
|
%xor29.i = xor i32 %shr27.i, %add25.i
|
||
|
|
br label %do.body
|
||
|
|
|
||
|
|
if.then:
|
||
|
|
%add = add nsw i32 %x, 11
|
||
|
|
ret i32 %add
|
||
|
|
|
||
|
|
do.body:
|
||
|
|
%x.addr.1 = phi i32 [ %add9, %do.body ], [ %x, %do.body.preheader ]
|
||
|
|
%xor = xor i32 %xor29.i, %x.addr.1
|
||
|
|
%add9 = add nsw i32 %xor, %x.addr.1
|
||
|
|
%and = and i32 %add9, 13
|
||
|
|
%tobool = icmp eq i32 %and, 0
|
||
|
|
br i1 %tobool, label %if.end, label %do.body
|
||
|
|
|
||
|
|
if.end:
|
||
|
|
ret i32 %add9
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i32 @g(i32)
|