799033d8c5
This reverts the revert commit a1b53db324.
This patch includes a fix for a reported issue, caused by
matchSelectPattern returning UMIN for selects of pointers in
some cases by looking to some connected casts.
For now, ensure integer instrinsics are only returned for selects of
ints or int vectors.
46 lines
2.3 KiB
LLVM
46 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -slp-vectorizer -S %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128"
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target triple = "i386-unknown-linux-gnu"
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; Make sure we do not crash while computing the cost for @test.
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define i1 @test(float* %p1, float* %p2, i8* %p3, i1 %c) #0 {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: [[SCEVGEP21:%.*]] = getelementptr float, float* [[P1:%.*]], i32 0
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; CHECK-NEXT: [[L0:%.*]] = icmp ult float* [[P2:%.*]], [[SCEVGEP21]]
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; CHECK-NEXT: [[UMIN:%.*]] = select i1 [[L0]], float* [[P2]], float* [[SCEVGEP21]]
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; CHECK-NEXT: [[UMIN22:%.*]] = bitcast float* [[UMIN]] to i8*
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; CHECK-NEXT: [[SCEVGEP31:%.*]] = getelementptr float, float* [[P1]], i32 1
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; CHECK-NEXT: [[L1:%.*]] = icmp ult float* [[SCEVGEP31]], [[P2]]
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; CHECK-NEXT: [[UMIN33:%.*]] = select i1 [[L1]], float* [[SCEVGEP31]], float* [[P2]]
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; CHECK-NEXT: [[UMIN3334:%.*]] = bitcast float* [[UMIN33]] to i8*
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; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i8* [[P3:%.*]], [[UMIN22]]
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; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[C:%.*]]
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; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[C]]
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; CHECK-NEXT: [[BOUND042:%.*]] = icmp ugt i8* [[P3]], [[UMIN3334]]
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; CHECK-NEXT: [[FOUND_CONFLICT44:%.*]] = and i1 [[BOUND042]], [[C]]
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; CHECK-NEXT: [[CONFLICT_RDX45:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT44]]
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; CHECK-NEXT: [[CONFLICT_RDX49:%.*]] = or i1 [[CONFLICT_RDX45]], [[C]]
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; CHECK-NEXT: ret i1 [[CONFLICT_RDX49]]
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;
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%scevgep21 = getelementptr float, float* %p1, i32 0
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%l0 = icmp ult float* %p2, %scevgep21
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%umin = select i1 %l0, float* %p2, float* %scevgep21
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%umin22 = bitcast float* %umin to i8*
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%scevgep31 = getelementptr float, float* %p1, i32 1
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%l1 = icmp ult float* %scevgep31, %p2
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%umin33 = select i1 %l1, float* %scevgep31, float* %p2
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%umin3334 = bitcast float* %umin33 to i8*
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%bound0 = icmp ugt i8* %p3, %umin22
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%found.conflict = and i1 %bound0, %c
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%conflict.rdx = or i1 %found.conflict, %c
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%bound042 = icmp ugt i8* %p3, %umin3334
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%found.conflict44 = and i1 %bound042, %c
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%conflict.rdx45 = or i1 %conflict.rdx, %found.conflict44
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%conflict.rdx49 = or i1 %conflict.rdx45, %c
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ret i1 %conflict.rdx49
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}
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attributes #0 = { "target-cpu"="pentium-m" }
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