aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/R600/legalizedag-bug-expand-setcc.ll
blob: 4244c48d240e69b0f2d7da2fb5b8e3293d292a5e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s

; This tests a bug where LegalizeDAG was not checking the target's
; BooleanContents value and always using one for true, when expanding
; setcc to select_cc.
;
; This bug caused the icmp IR instruction to be expanded to two machine
; instructions, when only one is needed.
;

; CHECK: {{^}}setcc_expand:
; CHECK: SET
; CHECK-NOT: CND
define void @setcc_expand(i32 addrspace(1)* %out, i32 %in) {
entry:
  %0 = icmp eq i32 %in, 5
  br i1 %0, label %IF, label %ENDIF
IF:
  %1 = getelementptr i32, i32 addrspace(1)* %out, i32 1
  store i32 0, i32 addrspace(1)* %1
  br label %ENDIF

ENDIF:
  store i32 0, i32 addrspace(1)* %out
  ret void
}