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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 32; RUN: opt -S -passes="loop-mssa(simple-loop-unswitch<nontrivial>),loop(loop-unroll-full),loop-simplify,verify<scalar-evolution>" < %s | FileCheck %s3 4; Should not caused a SCEV verification failure due to incorrect5; loop dispositions.6 7define void @g(ptr %b, i32 %arg, i1 %tobool.not) {8; CHECK-LABEL: define void @g(9; CHECK-SAME: ptr [[B:%.*]], i32 [[ARG:%.*]], i1 [[TOBOOL_NOT:%.*]]) {10; CHECK-NEXT: entry:11; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]12; CHECK: entry.split.us:13; CHECK-NEXT: br label [[FOR_BODY_US:%.*]]14; CHECK: for.body.us:15; CHECK-NEXT: br label [[LAND_END_US:%.*]]16; CHECK: land.end.us:17; CHECK-NEXT: store i16 0, ptr [[B]], align 118; CHECK-NEXT: br label [[FOR_END:%.*]]19; CHECK: entry.split:20; CHECK-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]]21; CHECK: for.body.peel.begin:22; CHECK-NEXT: br label [[FOR_BODY_PEEL:%.*]]23; CHECK: for.body.peel:24; CHECK-NEXT: br label [[LAND_RHS_PEEL:%.*]]25; CHECK: land.rhs.peel:26; CHECK-NEXT: [[AND_PEEL:%.*]] = and i32 -1, [[ARG]]27; CHECK-NEXT: [[TOBOOL2_PEEL:%.*]] = icmp ne i32 [[AND_PEEL]], 028; CHECK-NEXT: [[DOTPRE_PEEL:%.*]] = load i32, ptr [[B]], align 129; CHECK-NEXT: br label [[LAND_END_PEEL:%.*]]30; CHECK: land.end.peel:31; CHECK-NEXT: [[IV2_PEEL:%.*]] = phi i32 [ [[DOTPRE_PEEL]], [[LAND_RHS_PEEL]] ]32; CHECK-NEXT: [[IV3_PEEL:%.*]] = phi i1 [ [[TOBOOL2_PEEL]], [[LAND_RHS_PEEL]] ]33; CHECK-NEXT: [[LAND_EXT_PEEL:%.*]] = zext i1 [[IV3_PEEL]] to i1634; CHECK-NEXT: [[CMP3_PEEL:%.*]] = icmp ne i16 0, [[LAND_EXT_PEEL]]35; CHECK-NEXT: [[CONV4_PEEL:%.*]] = zext i1 [[CMP3_PEEL]] to i1636; CHECK-NEXT: store i16 [[LAND_EXT_PEEL]], ptr [[B]], align 137; CHECK-NEXT: [[CMP_PEEL:%.*]] = icmp slt i32 [[IV2_PEEL]], 038; CHECK-NEXT: br i1 [[CMP_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_END_SPLIT:%.*]]39; CHECK: for.body.peel.next:40; CHECK-NEXT: br label [[FOR_BODY_PEEL_NEXT1:%.*]]41; CHECK: for.body.peel.next1:42; CHECK-NEXT: br label [[ENTRY_SPLIT_PEEL_NEWPH:%.*]]43; CHECK: entry.split.peel.newph:44; CHECK-NEXT: [[TOBOOL2:%.*]] = icmp ne i32 [[ARG]], 045; CHECK-NEXT: [[LAND_EXT:%.*]] = zext i1 [[TOBOOL2]] to i1646; CHECK-NEXT: br label [[FOR_BODY:%.*]]47; CHECK: for.body:48; CHECK-NEXT: br label [[LAND_RHS:%.*]]49; CHECK: land.rhs:50; CHECK-NEXT: [[DOTPRE:%.*]] = load i32, ptr [[B]], align 151; CHECK-NEXT: br label [[LAND_END:%.*]]52; CHECK: land.end:53; CHECK-NEXT: store i16 [[LAND_EXT]], ptr [[B]], align 154; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[DOTPRE]], 055; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END_SPLIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP0:![0-9]+]]56; CHECK: for.end.split.loopexit:57; CHECK-NEXT: br label [[FOR_END_SPLIT]]58; CHECK: for.end.split:59; CHECK-NEXT: br label [[FOR_END]]60; CHECK: for.end:61; CHECK-NEXT: ret void62;63entry:64 br label %for.body65 66for.body: ; preds = %land.end, %entry67 %iv1 = phi i16 [ 0, %entry ], [ %trunc, %land.end ]68 br i1 %tobool.not, label %land.end, label %land.rhs69 70land.rhs: ; preds = %for.body71 %and = and i32 -1, %arg72 %tobool2 = icmp ne i32 %and, 073 %.pre = load i32, ptr %b, align 174 br label %land.end75 76land.end: ; preds = %land.rhs, %for.body77 %iv2 = phi i32 [ 0, %for.body ], [ %.pre, %land.rhs ]78 %iv3 = phi i1 [ false, %for.body ], [ %tobool2, %land.rhs ]79 %land.ext = zext i1 %iv3 to i1680 %cmp3 = icmp ne i16 %iv1, %land.ext81 %conv4 = zext i1 %cmp3 to i1682 store i16 %land.ext, ptr %b, align 183 %cmp = icmp slt i32 %iv2, 084 %trunc = trunc i32 %arg to i1685 br i1 %cmp, label %for.body, label %for.end86 87for.end: ; preds = %land.end88 ret void89}90