1 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -hexagon-eif=0 -print-machineinstrs=if-converter %s -o /dev/null 2>&1 | FileCheck %s
2 ; Check that the edge weights are updated correctly after if-conversion.
4 ; CHECK: bb.3.if{{[0-9a-zA-Z.]*}}:
5 ; CHECK: successors: %bb.2(0x0ccccccd), %bb.1(0x73333333)
6 @a = external global i32
7 @d = external global i32
9 ; In the following CFG, A,B,C,D will be if-converted into a single block.
10 ; Check if the edge weights on edges to E and F are maintained correctly.
20 define void @test1(i8 zeroext %la, i8 zeroext %lb) {
22 %cmp0 = call i1 @pred()
23 br i1 %cmp0, label %if.else2, label %if.then0, !prof !1
34 %storemerge = phi i32 [ %and, %if.else ], [ %shl, %if.then ]
35 store i32 %storemerge, i32* @a, align 4
36 %0 = load i32, i32* @d, align 4
37 %cmp2 = call i1 @pred()
38 br i1 %cmp2, label %if.end2, label %if.else2, !prof !2
41 %cmp = icmp eq i8 %la, %lb
42 br i1 %cmp, label %if.then, label %if.else, !prof !1
45 %conv1 = zext i8 %la to i32
46 %shl = shl nuw nsw i32 %conv1, 16
50 %and8 = and i8 %lb, %la
51 %and = zext i8 %and8 to i32
59 declare void @foo(i32)
60 declare void @bar(i32)
63 !1 = !{!"branch_weights", i32 80, i32 20}
64 !2 = !{!"branch_weights", i32 10, i32 90}