derek.holloway
7502bf64a4
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108 lines
4.7 KiB
LLVM
108 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -mtriple=amdgcn -loop-reduce -S < %s | FileCheck %s
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; REQUIRES: asserts
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; Test that LSR does not attempt to extend a pointer type to an integer type,
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; which causes a SCEV analysis assertion.
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@gVar = external hidden local_unnamed_addr addrspace(3) global [1024 x double], align 16
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define amdgpu_kernel void @scaledregtest() local_unnamed_addr {
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; CHECK-LABEL: @scaledregtest(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: loopexit:
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; CHECK-NEXT: br label [[FOR_BODY_1:%.*]]
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; CHECK: for.body.1:
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; CHECK-NEXT: [[LSR_IV5:%.*]] = phi ptr addrspace(5) [ [[SCEVGEP6:%.*]], [[FOR_BODY_1]] ], [ [[SCEVGEP11_LCSSA:%.*]], [[LOOPEXIT:%.*]] ]
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; CHECK-NEXT: [[LSR_IV1:%.*]] = phi ptr [ [[SCEVGEP2:%.*]], [[FOR_BODY_1]] ], [ [[SCEVGEP13_LCSSA:%.*]], [[LOOPEXIT]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr addrspace(5) [[LSR_IV5]], align 8
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; CHECK-NEXT: store ptr [[TMP0]], ptr [[LSR_IV1]], align 8
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; CHECK-NEXT: [[SCEVGEP2]] = getelementptr i8, ptr [[LSR_IV1]], i64 8
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; CHECK-NEXT: [[SCEVGEP6]] = getelementptr i8, ptr addrspace(5) [[LSR_IV5]], i32 8
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; CHECK-NEXT: br label [[FOR_BODY_1]]
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; CHECK: for.body:
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; CHECK-NEXT: [[SCEVGEP11_LCSSA]] = phi ptr addrspace(5) [ [[SCEVGEP4:%.*]], [[FOR_BODY]] ], [ inttoptr (i32 64 to ptr addrspace(5)), [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[SCEVGEP13_LCSSA]] = phi ptr [ [[SCEVGEP:%.*]], [[FOR_BODY]] ], [ inttoptr (i64 64 to ptr), [[ENTRY]] ]
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; CHECK-NEXT: [[SCEVGEP]] = getelementptr i8, ptr [[SCEVGEP13_LCSSA]], i64 64
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; CHECK-NEXT: [[SCEVGEP4]] = getelementptr i8, ptr addrspace(5) [[SCEVGEP11_LCSSA]], i32 64
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; CHECK-NEXT: br i1 false, label [[LOOPEXIT]], label [[FOR_BODY]]
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;
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entry:
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br label %for.body
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loopexit:
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%conv = zext i32 %inc to i64
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br label %for.body.1
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for.body.1:
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%conv.1 = phi i64 [ %conv.2, %for.body.1 ], [ %conv, %loopexit ]
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%I.1 = phi i32 [ %inc.1, %for.body.1 ], [ %inc, %loopexit ]
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%idxprom = trunc i64 %conv.1 to i32
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%arrayidx = getelementptr inbounds ptr, ptr addrspace(5) zeroinitializer, i32 %idxprom
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%0 = load ptr, ptr addrspace(5) %arrayidx, align 8
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%arrayidx.1 = getelementptr inbounds ptr, ptr null, i64 %conv.1
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store ptr %0, ptr %arrayidx.1, align 8
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%inc.1 = add nuw nsw i32 %I.1, 1
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%conv.2 = zext i32 %inc.1 to i64
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br label %for.body.1
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for.body:
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%I = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%inc = add nuw nsw i32 %I, 8
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br i1 false, label %loopexit, label %for.body
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}
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define protected amdgpu_kernel void @baseregtest(i32 %n, i32 %lda, i1 %arg) local_unnamed_addr {
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; CHECK-LABEL: @baseregtest(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[ARG:%.*]], label [[EXIT:%.*]], label [[IF_END:%.*]]
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; CHECK: if.end:
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; CHECK-NEXT: [[TMP0:%.*]] = tail call i32 @foo()
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; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[TMP0]], 3
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; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr addrspace(3) @gVar, i32 [[TMP1]]
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; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[N:%.*]], 3
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; CHECK-NEXT: [[TMP3:%.*]] = sext i32 [[TMP0]] to i64
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; CHECK-NEXT: [[TMP4:%.*]] = shl nsw i64 [[TMP3]], 3
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; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr addrspace(1) null, i64 [[TMP4]]
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; CHECK-NEXT: [[TMP5:%.*]] = sext i32 [[LDA:%.*]] to i64
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; CHECK-NEXT: [[TMP6:%.*]] = shl nsw i64 [[TMP5]], 3
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[LSR_IV3:%.*]] = phi ptr addrspace(1) [ [[SCEVGEP4:%.*]], [[FOR_BODY]] ], [ [[SCEVGEP2]], [[IF_END]] ]
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; CHECK-NEXT: [[LSR_IV:%.*]] = phi ptr addrspace(3) [ [[SCEVGEP1:%.*]], [[FOR_BODY]] ], [ [[SCEVGEP]], [[IF_END]] ]
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; CHECK-NEXT: [[TMP7:%.*]] = load double, ptr addrspace(1) [[LSR_IV3]], align 8
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; CHECK-NEXT: store double [[TMP7]], ptr addrspace(3) [[LSR_IV]], align 8
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; CHECK-NEXT: [[SCEVGEP1]] = getelementptr i8, ptr addrspace(3) [[LSR_IV]], i32 [[TMP2]]
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; CHECK-NEXT: [[SCEVGEP4]] = getelementptr i8, ptr addrspace(1) [[LSR_IV3]], i64 [[TMP6]]
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; CHECK-NEXT: br label [[FOR_BODY]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br i1 %arg, label %exit, label %if.end
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if.end:
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%0 = tail call i32 @foo()
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br label %for.body
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for.body:
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%i = phi i32 [ %inc, %for.body ], [ 0, %if.end ]
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%mul1 = mul nsw i32 %i, %lda
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%add1 = add nsw i32 %mul1, %0
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%idxprom = sext i32 %add1 to i64
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%arrayidx = getelementptr inbounds double, ptr addrspace(1) null, i64 %idxprom
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%1 = load double, ptr addrspace(1) %arrayidx, align 8
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%mul2 = mul nsw i32 %i, %n
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%add2 = add nsw i32 %mul2, %0
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%arrayidx9110 = getelementptr inbounds [1024 x double], ptr addrspace(3) @gVar, i32 0, i32 %add2
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store double %1, ptr addrspace(3) %arrayidx9110, align 8
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%inc = add nuw nsw i32 %i, 1
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br label %for.body
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exit:
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ret void
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}
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declare i32 @foo()
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