forked from OSchip/llvm-project
48 lines
1.1 KiB
LLVM
48 lines
1.1 KiB
LLVM
|
; RUN: llc -march=hexagon < %s
|
||
|
|
; REQUIRES: asserts
|
||
|
|
|
||
|
|
; Test that the HexagonExpandCondsets pass does not assert due to
|
||
|
|
; attempting to shrink a live interval incorrectly.
|
||
|
|
|
||
|
|
|
||
|
|
define void @test() #0 {
|
||
|
|
entry:
|
||
|
|
br i1 undef, label %cleanup, label %if.end
|
||
|
|
|
||
|
|
if.end:
|
||
|
|
%0 = load i32, i32* undef, align 4
|
||
|
|
%sext = shl i32 %0, 16
|
||
|
|
%conv19 = ashr exact i32 %sext, 16
|
||
|
|
br i1 undef, label %cleanup, label %for.body.lr.ph
|
||
|
|
|
||
|
|
for.body.lr.ph:
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.body:
|
||
|
|
%bestScoreL16Q4.0278 = phi i16 [ 32767, %for.body.lr.ph ], [ %.sink, %early_termination ]
|
||
|
|
br i1 false, label %for.body44.lr.ph, label %for.cond90.preheader
|
||
|
|
|
||
|
|
for.body44.lr.ph:
|
||
|
|
%conv77 = sext i16 %bestScoreL16Q4.0278 to i32
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
for.cond90.preheader:
|
||
|
|
br i1 undef, label %early_termination, label %for.body97
|
||
|
|
|
||
|
|
for.body97:
|
||
|
|
br i1 undef, label %for.body97, label %early_termination
|
||
|
|
|
||
|
|
early_termination:
|
||
|
|
%.sink = select i1 undef, i16 undef, i16 %bestScoreL16Q4.0278
|
||
|
|
%cmp27 = icmp slt i32 undef, %conv19
|
||
|
|
br i1 %cmp27, label %for.body, label %for.end124
|
||
|
|
|
||
|
|
for.end124:
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
cleanup:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind "target-cpu"="hexagonv60" }
|