1*97f1db2fSNikita Popov; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 2*97f1db2fSNikita Popov; RUN: opt -S -passes=loop-idiom < %s | FileCheck %s 3*97f1db2fSNikita Popov 4*97f1db2fSNikita Popov; Make sure we don't assert if the BECount is larger than 64 bits. 5*97f1db2fSNikita Popov 6*97f1db2fSNikita Popovdefine void @test(ptr %p) { 7*97f1db2fSNikita Popov; CHECK-LABEL: define void @test( 8*97f1db2fSNikita Popov; CHECK-SAME: ptr [[P:%.*]]) { 9*97f1db2fSNikita Popov; CHECK-NEXT: entry: 10*97f1db2fSNikita Popov; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[P]], i8 0, i64 0, i1 false) 11*97f1db2fSNikita Popov; CHECK-NEXT: br label [[FOR_BODY:%.*]] 12*97f1db2fSNikita Popov; CHECK: for.body: 13*97f1db2fSNikita Popov; CHECK-NEXT: [[IV:%.*]] = phi i128 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_BODY]] ] 14*97f1db2fSNikita Popov; CHECK-NEXT: [[IV_TRUNC:%.*]] = trunc i128 [[IV]] to i64 15*97f1db2fSNikita Popov; CHECK-NEXT: [[GEP1:%.*]] = getelementptr { i64, i64 }, ptr [[P]], i64 [[IV_TRUNC]] 16*97f1db2fSNikita Popov; CHECK-NEXT: [[GEP2:%.*]] = getelementptr { i64, i64 }, ptr [[P]], i64 [[IV_TRUNC]], i32 1 17*97f1db2fSNikita Popov; CHECK-NEXT: [[INC]] = add i128 [[IV]], 1 18*97f1db2fSNikita Popov; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i128 [[INC]], 0 19*97f1db2fSNikita Popov; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[EXIT:%.*]], label [[FOR_BODY]] 20*97f1db2fSNikita Popov; CHECK: exit: 21*97f1db2fSNikita Popov; CHECK-NEXT: ret void 22*97f1db2fSNikita Popov; 23*97f1db2fSNikita Popoventry: 24*97f1db2fSNikita Popov br label %for.body 25*97f1db2fSNikita Popov 26*97f1db2fSNikita Popovfor.body: 27*97f1db2fSNikita Popov %iv = phi i128 [ 0, %entry ], [ %inc, %for.body ] 28*97f1db2fSNikita Popov %iv.trunc = trunc i128 %iv to i64 29*97f1db2fSNikita Popov %gep1 = getelementptr { i64, i64 }, ptr %p, i64 %iv.trunc 30*97f1db2fSNikita Popov %gep2 = getelementptr { i64, i64 }, ptr %p, i64 %iv.trunc, i32 1 31*97f1db2fSNikita Popov store i64 0, ptr %gep1 32*97f1db2fSNikita Popov store i64 0, ptr %gep2 33*97f1db2fSNikita Popov %inc = add i128 %iv, 1 34*97f1db2fSNikita Popov %tobool.not = icmp eq i128 %inc, 0 35*97f1db2fSNikita Popov br i1 %tobool.not, label %exit, label %for.body 36*97f1db2fSNikita Popov 37*97f1db2fSNikita Popovexit: 38*97f1db2fSNikita Popov ret void 39*97f1db2fSNikita Popov} 40