1 ; RUN: llc -march=hexagon -hexagon-expand-condsets=0 -hexagon-initial-cfg-cleanup=0 < %s | FileCheck %s
3 ; Expand-condsets eliminates the "mux" instruction, which is what this
4 ; testcase is checking.
6 ; Test that we don't generate a new value compare if the operands are
9 ; CHECK-NOT: cmp.eq([[REG0:(r[0-9]+)]].new,[[REG0]])
10 ; CHECK: cmp.eq([[REG1:(r[0-9]+)]],[[REG1]])
12 %s.0 = type { i16, i8, i32, i8*, i8*, i8*, i8*, i8*, i8*, i32*, [2 x i32], i8*, i8*, i8*, %s.1, i8*, [8 x i8], i8 }
13 %s.1 = type { i32, i16, i16 }
15 @g0 = external global %s.0
16 @g1 = external unnamed_addr constant [23 x i8], align 8
18 ; Function Attrs: nounwind
19 declare void @f0(%s.0* nocapture, i8* nocapture readonly, ...) #0
21 define void @f1() #1 {
23 %v0 = load i32*, i32** undef, align 4
24 %v1 = load i32, i32* undef, align 4
25 br i1 undef, label %b4, label %b1
28 %v2 = icmp slt i32 %v1, 0
30 %v4 = add i32 %v3, -134217728
31 %v5 = select i1 %v2, i32 %v4, i32 %v3
32 %v6 = getelementptr inbounds i32, i32* %v0, i32 %v5
33 %v7 = icmp ult i32* %v6, %v0
34 %v8 = select i1 %v7, i32 0, i32 1
35 br i1 undef, label %b2, label %b4
38 %v9 = icmp slt i32 %v1, 0
39 %v10 = lshr i32 %v1, 5
40 %v11 = add i32 %v10, -134217728
41 %v12 = select i1 %v9, i32 %v11, i32 %v10
42 %v13 = getelementptr inbounds i32, i32* %v0, i32 %v12
43 %v14 = icmp ult i32* %v13, %v0
44 %v15 = select i1 %v14, i32 0, i32 1
45 %v16 = icmp eq i32 %v8, %v15
46 br i1 %v16, label %b4, label %b3
49 call void (%s.0*, i8*, ...) @f0(%s.0* @g0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @g1, i32 0, i32 0), i32 %v8, i32 %v15) #0
52 b4: ; preds = %b2, %b1, %b0
53 br i1 undef, label %b6, label %b5
62 attributes #0 = { nounwind "target-cpu"="hexagonv5" }
63 attributes #1 = { "target-cpu"="hexagonv5" }