90 lines
3.5 KiB
LLVM
90 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -S -O3 < %s | FileCheck %s
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define void @test(ptr noundef %a, i32 noundef %beam) {
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; CHECK-LABEL: define void @test
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; CHECK-SAME: (ptr nocapture noundef writeonly [[A:%.*]], i32 noundef [[BEAM:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL:%.*]] = shl nuw nsw i32 [[BEAM]], 1
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; CHECK-NEXT: [[IDXPROM:%.*]] = zext nneg i32 [[MUL]] to i64
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM]]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.cond.cleanup:
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; CHECK-NEXT: ret void
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; CHECK: for.body:
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; CHECK-NEXT: [[I_06:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ]
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[I_06]], [[BEAM]]
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; CHECK-NEXT: br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: store i32 0, ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: br label [[FOR_INC]]
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; CHECK: if.else:
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; CHECK-NEXT: [[MUL2:%.*]] = shl nuw nsw i32 [[I_06]], 1
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; CHECK-NEXT: [[IDXPROM3:%.*]] = zext nneg i32 [[MUL2]] to i64
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; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IDXPROM3]]
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; CHECK-NEXT: store i32 1, ptr [[ARRAYIDX4]], align 4
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; CHECK-NEXT: br label [[FOR_INC]]
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; CHECK: for.inc:
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; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_06]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_06]], 9999
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP:%.*]]
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;
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entry:
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%a.addr = alloca ptr, align 8
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%beam.addr = alloca i32, align 4
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%i = alloca i32, align 4
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store ptr %a, ptr %a.addr, align 8
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store i32 %beam, ptr %beam.addr, align 4
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call void @llvm.lifetime.start.p0(i64 4, ptr %i)
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store i32 0, ptr %i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%0 = load i32, ptr %i, align 4
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%cmp = icmp slt i32 %0, 10000
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br i1 %cmp, label %for.body, label %for.cond.cleanup
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for.cond.cleanup: ; preds = %for.cond
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call void @llvm.lifetime.end.p0(i64 4, ptr %i)
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br label %for.end
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for.body: ; preds = %for.cond
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%1 = load i32, ptr %i, align 4
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%2 = load i32, ptr %beam.addr, align 4
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%cmp1 = icmp eq i32 %1, %2
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br i1 %cmp1, label %if.then, label %if.else
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if.then: ; preds = %for.body
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%3 = load ptr, ptr %a.addr, align 8
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%4 = load i32, ptr %i, align 4
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%mul = mul nsw i32 2, %4
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%idxprom = sext i32 %mul to i64
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%arrayidx = getelementptr inbounds i32, ptr %3, i64 %idxprom
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store i32 0, ptr %arrayidx, align 4
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br label %if.end
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if.else: ; preds = %for.body
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%5 = load ptr, ptr %a.addr, align 8
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%6 = load i32, ptr %i, align 4
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%mul2 = mul nsw i32 2, %6
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%idxprom3 = sext i32 %mul2 to i64
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%arrayidx4 = getelementptr inbounds i32, ptr %5, i64 %idxprom3
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store i32 1, ptr %arrayidx4, align 4
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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br label %for.inc
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for.inc: ; preds = %if.end
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%7 = load i32, ptr %i, align 4
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%inc = add nsw i32 %7, 1
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store i32 %inc, ptr %i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond.cleanup
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ret void
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}
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declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
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declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
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