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comparison llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
1 ; RUN: opt -S -structurizecfg %s -o - | FileCheck %s
2
3 ; CHECK-NOT: br i1 true
4
5 define void @blam(i32 addrspace(1)* nocapture %arg, float %arg1, float %arg2) {
6 ; CHECK: bb:
7 bb:
8 br label %bb3
9
10 ; CHECK: bb3:
11 ; CHECK: %0 = xor i1 %tmp4, true
12 ; CHECK: br i1 %0, label %bb5, label %Flow
13 bb3: ; preds = %bb7, %bb
14 %tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
15 %tmp4 = fcmp ult float %arg1, 3.500000e+00
16 br i1 %tmp4, label %bb7, label %bb5
17
18 ; CHECK: bb5:
19 ; CHECK: %1 = xor i1 %tmp6, true
20 ; CHECK: br label %Flow
21 bb5: ; preds = %bb3
22 %tmp6 = fcmp olt float 0.000000e+00, %arg2
23 br i1 %tmp6, label %bb10, label %bb7
24
25 ; CHECK: Flow:
26 ; CHECK: %2 = phi i1 [ %1, %bb5 ], [ %tmp4, %bb3 ]
27 ; CHECK: br i1 %2, label %bb7, label %Flow1
28
29 ; CHECK: bb7:
30 ; CHECK: br label %Flow1
31 bb7: ; preds = %bb5, %bb3
32 %tmp8 = add nuw nsw i64 %tmp, 1
33 %tmp9 = icmp slt i64 %tmp8, 5
34 br i1 %tmp9, label %bb3, label %bb10
35
36 ; CHECK: Flow1:
37 ; CHECK: %6 = phi i1 [ %3, %bb7 ], [ true, %Flow ]
38 ; CHECK: br i1 %6, label %bb10, label %bb3
39
40 ; CHECK: bb10:
41 bb10: ; preds = %bb7, %bb5
42 %tmp11 = phi i32 [ 15, %bb5 ], [ 255, %bb7 ]
43 store i32 %tmp11, i32 addrspace(1)* %arg, align 4
44 ret void
45 }