Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/Hexagon/ifcvt-edge-weight.ll

@@ -1,64 +0,0 @@
-; RUN: llc -march=hexagon -mcpu=hexagonv5 -hexagon-eif=0 -print-machineinstrs=if-converter %s -o /dev/null 2>&1 | FileCheck %s
-; Check that the edge weights are updated correctly after if-conversion.
-
-; CHECK: %bb.3:
-; CHECK: Successors according to CFG: %bb.2({{[0-9a-fx/= ]+}}10.00%) %bb.1({{[0-9a-fx/= ]+}}90.00%)
-@a = external global i32
-@d = external global i32
-
-; In the following CFG, A,B,C,D will be if-converted into a single block.
-; Check if the edge weights on edges to E and F are maintained correctly.
-;
-;    A
-;   / \
-;  B   C
-;   \ /
-;    D
-;   / \
-;  E   F
-;
-define void @test1(i8 zeroext %la, i8 zeroext %lb) {
-entry:
-  %cmp0 = call i1 @pred()
-  br i1 %cmp0, label %if.else2, label %if.then0, !prof !1
-
-if.else2:
-  call void @bar(i32 2)
-  br label %if.end2
-
-if.end2:
-  call void @foo(i32 2)
-  br label %return
-
-if.end:
-  %storemerge = phi i32 [ %and, %if.else ], [ %shl, %if.then ]
-  store i32 %storemerge, i32* @a, align 4
-  %0 = load i32, i32* @d, align 4
-  %cmp2 = call i1 @pred()
-  br i1 %cmp2, label %if.end2, label %if.else2, !prof !2
-
-if.then0:
-  %cmp = icmp eq i8 %la, %lb
-  br i1 %cmp, label %if.then, label %if.else, !prof !1
-
-if.then:
-  %conv1 = zext i8 %la to i32
-  %shl = shl nuw nsw i32 %conv1, 16
-  br label %if.end
-
-if.else:
-  %and8 = and i8 %lb, %la
-  %and = zext i8 %and8 to i32
-  br label %if.end
-
-return:
-  call void @foo(i32 2)
-  ret void
-}
-
-declare void @foo(i32)
-declare void @bar(i32)
-declare i1 @pred()
-
-!1 = !{!"branch_weights", i32 80, i32 20}
-!2 = !{!"branch_weights", i32 10, i32 90}