aboutsummaryrefslogtreecommitdiffstats
path: root/test/Transforms/SimplifyCFG/DeadSetCC.ll
blob: b180700d4f14107b05aa99b7614c379a54dec5f0 (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: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | not grep seteq

; Check that simplifycfg deletes a dead 'seteq' instruction when it
; folds a conditional branch into a switch instruction.

declare void %foo()
declare void %bar()

void %testcfg(uint %V) {
	%C = seteq uint %V, 18
	%D = seteq uint %V, 180
	%E = or bool %C, %D
	br bool %E, label %L1, label %Sw
Sw:
       switch uint %V, label %L1 [
              uint 15, label %L2
              uint 16, label %L2
        ]
L1:
	call void %foo()
	ret void
L2:
	call void %bar()
	ret void
}