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