66 lines
2.9 KiB
LLVM
66 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -indvars < %s | FileCheck %s
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; Provide legal integer types.
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target datalayout = "n8:16:32:64"
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define void @test1(float* nocapture %autoc, float* nocapture %data, float %d, i32 %data_len, i32 %sample) nounwind {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[DATA_LEN:%.*]], [[SAMPLE:%.*]]
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; CHECK-NEXT: [[CMP4:%.*]] = icmp eq i32 [[DATA_LEN]], [[SAMPLE]]
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; CHECK-NEXT: br i1 [[CMP4]], label [[FOR_END:%.*]], label [[FOR_BODY_PREHEADER:%.*]]
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; CHECK: for.body.preheader:
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; CHECK-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[SUB]] to i64
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[INDVARS_IV]] to i32
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; CHECK-NEXT: [[ADD:%.*]] = add i32 [[TMP0]], [[SAMPLE]]
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; CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[ADD]] to i64
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[DATA:%.*]], i64 [[IDXPROM]]
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; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[MUL:%.*]] = fmul float [[TMP1]], [[D:%.*]]
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; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, float* [[AUTOC:%.*]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[TMP2:%.*]] = load float, float* [[ARRAYIDX2]], align 4
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; CHECK-NEXT: [[ADD3:%.*]] = fadd float [[TMP2]], [[MUL]]
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; CHECK-NEXT: store float [[ADD3]], float* [[ARRAYIDX2]], align 4
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; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT:%.*]]
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; CHECK: for.end.loopexit:
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; CHECK-NEXT: br label [[FOR_END]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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%sub = sub i32 %data_len, %sample
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%cmp4 = icmp eq i32 %data_len, %sample
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br i1 %cmp4, label %for.end, label %for.body
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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%0 = trunc i64 %indvars.iv to i32
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%add = add i32 %0, %sample
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%idxprom = zext i32 %add to i64
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%arrayidx = getelementptr inbounds float, float* %data, i64 %idxprom
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%1 = load float, float* %arrayidx, align 4
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%mul = fmul float %1, %d
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%arrayidx2 = getelementptr inbounds float, float* %autoc, i64 %indvars.iv
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%2 = load float, float* %arrayidx2, align 4
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%add3 = fadd float %2, %mul
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store float %add3, float* %arrayidx2, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%3 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp ult i32 %3, %sub
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br i1 %cmp, label %for.body, label %for.end
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for.end: ; preds = %for.body, %entry
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ret void
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; check that we turn the IV test into an eq.
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}
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