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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature2; RUN: opt -passes=callsite-splitting -S -o - < %s | FileCheck %s3 4; Check that we can split the critical edge between Top and CallSiteBB, and5; rewrite the first callbr's indirect destination correctly.6 7define void @caller() {8; CHECK-LABEL: define {{[^@]+}}@caller() {9; CHECK-NEXT: Top:10; CHECK-NEXT: callbr void asm sideeffect "", "!i,~{dirflag},~{fpsr},~{flags}"()11; CHECK-NEXT: to label [[NEXTCOND:%.*]] [label %Top.split]12; CHECK: Top.split:13; CHECK-NEXT: call void @callee(i1 false)14; CHECK-NEXT: br label [[CALLSITEBB:%.*]]15; CHECK: NextCond:16; CHECK-NEXT: br label [[NEXTCOND_SPLIT:%.*]]17; CHECK: NextCond.split:18; CHECK-NEXT: call void @callee(i1 true)19; CHECK-NEXT: br label [[CALLSITEBB]]20; CHECK: CallSiteBB:21; CHECK-NEXT: [[PHI:%.*]] = phi i1 [ false, [[TOP_SPLIT:%.*]] ], [ true, [[NEXTCOND_SPLIT]] ]22; CHECK-NEXT: callbr void asm sideeffect "", "r,!i,~{dirflag},~{fpsr},~{flags}"(i1 [[PHI]])23; CHECK-NEXT: to label [[END:%.*]] [label %End2]24; CHECK: End:25; CHECK-NEXT: ret void26; CHECK: End2:27; CHECK-NEXT: ret void28;29Top:30 callbr void asm sideeffect "", "!i,~{dirflag},~{fpsr},~{flags}"()31 to label %NextCond [label %CallSiteBB]32 33NextCond:34 br label %CallSiteBB35 36CallSiteBB:37 %phi = phi i1 [0, %Top],[1, %NextCond]38 call void @callee(i1 %phi)39 callbr void asm sideeffect "", "r,!i,~{dirflag},~{fpsr},~{flags}"(i1 %phi)40 to label %End [label %End2]41 42End:43 ret void44End2:45 ret void46}47 48define void @callee(i1 %b) {49; CHECK-LABEL: define {{[^@]+}}@callee50; CHECK-SAME: (i1 [[B:%.*]]) {51; CHECK-NEXT: ret void52;53 ret void54}55