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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -p iroutliner,verify -ir-outlining-no-cost < %s | FileCheck %s3 4; This test checks that commutative instructions where the operands are5; swapped are outlined as the same function.6 7; It also checks that non-commutative instructions outlined as different8; functions when the operands are swapped;9 10; These are identical functions, except that in the flipped functions,11; the operands in the adds are commuted. However, since add instructions12; are commutative, we should still outline from all four as the same13; instruction.14 15define void @function1(i32 %a, i32 %b) {16; CHECK-LABEL: @function1(17; CHECK-NEXT: entry:18; CHECK-NEXT: br label [[BLOCK_1:%.*]]19; CHECK: block_0:20; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[A:%.*]], [[B:%.*]]21; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[TMP4:%.*]], 122; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP0]], [[TMP0]]23; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt i32 [[TMP0]], [[TMP0]]24; CHECK-NEXT: br i1 [[TMP3]], label [[BLOCK_1]], label [[BLOCK_2:%.*]]25; CHECK: block_1:26; CHECK-NEXT: [[TMP4]] = phi i32 [ [[TMP1]], [[BLOCK_0:%.*]] ], [ 0, [[ENTRY:%.*]] ]27; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B]])28; CHECK-NEXT: br label [[BLOCK_0]]29; CHECK: block_2:30; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP2]], [[TMP2]]31; CHECK-NEXT: ret void32;33entry:34 br label %block_135 36block_0:37 %0 = add i32 %a, %b38 %1 = add i32 %4, 139 %2 = add i32 %0, %040 %3 = icmp sgt i32 %0, %041 br i1 %3, label %block_1, label %block_242 43block_1:44 %4 = phi i32 [ %1, %block_0 ], [ 0, %entry ]45 %5 = add i32 %b, %b46 br label %block_047 48block_2:49 %6 = add i32 %2, %250 ret void51}52 53define void @function2(i32 %a, i32 %b) {54; CHECK-LABEL: @function2(55; CHECK-NEXT: entry:56; CHECK-NEXT: br label [[BLOCK_1:%.*]]57; CHECK: block_0:58; CHECK-NEXT: [[TMP0:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]59; CHECK-NEXT: [[TMP1:%.*]] = add i32 1, [[TMP4:%.*]]60; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP0]], [[TMP0]]61; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt i32 [[TMP0]], [[TMP0]]62; CHECK-NEXT: br i1 [[TMP3]], label [[BLOCK_1]], label [[BLOCK_2:%.*]]63; CHECK: block_1:64; CHECK-NEXT: [[TMP4]] = phi i32 [ [[TMP1]], [[BLOCK_0:%.*]] ], [ 0, [[ENTRY:%.*]] ]65; CHECK-NEXT: call void @outlined_ir_func_0(i32 [[B]])66; CHECK-NEXT: br label [[BLOCK_0]]67; CHECK: block_2:68; CHECK-NEXT: [[TMP5:%.*]] = sub i32 [[TMP2]], [[TMP2]]69; CHECK-NEXT: ret void70;71entry:72 br label %block_173 74block_0:75 %0 = sub i32 %a, %b76 %1 = add i32 1, %477 %2 = add i32 %0, %078 %3 = icmp sgt i32 %0, %079 br i1 %3, label %block_1, label %block_280 81block_1:82 %4 = phi i32 [ %1, %block_0 ], [ 0, %entry ]83 %5 = add i32 %b, %b84 br label %block_085 86block_2:87 %6 = sub i32 %2, %288 ret void89}90