62 lines
3.0 KiB
LLVM
62 lines
3.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=slp-vectorizer -S |FileCheck %s
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; RUN: opt < %s -aa-pipeline=basic-aa -passes=slp-vectorizer -S |FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-unknown"
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; Test if SLP can handle GEP expressions.
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; The test perform the following action:
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; x->first = y->first + 16
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; x->second = y->second + 16
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define void @foo1 (ptr noalias %x, ptr noalias %y) {
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; CHECK-LABEL: @foo1(
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[Y:%.*]], i64 0, i32 0
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[X:%.*]], i64 0, i32 0
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; CHECK-NEXT: [[TMP4:%.*]] = load <2 x ptr>, ptr [[TMP1]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i32, <2 x ptr> [[TMP4]], <2 x i64> <i64 16, i64 16>
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; CHECK-NEXT: store <2 x ptr> [[TMP5]], ptr [[TMP2]], align 8
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; CHECK-NEXT: ret void
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;
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%1 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 0
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%2 = load ptr, ptr %1, align 8
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%3 = getelementptr inbounds i32, ptr %2, i64 16
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%4 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 0
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store ptr %3, ptr %4, align 8
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%5 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 1
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%6 = load ptr, ptr %5, align 8
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%7 = getelementptr inbounds i32, ptr %6, i64 16
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%8 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 1
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store ptr %7, ptr %8, align 8
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ret void
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}
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; Test that we don't vectorize GEP expressions if indexes are not constants.
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; We can't produce an efficient code in that case.
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define void @foo2 (ptr noalias %x, ptr noalias %y, i32 %i) {
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; CHECK-LABEL: @foo2(
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[Y:%.*]], i64 0, i32 0
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; CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 [[I:%.*]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[X:%.*]], i64 0, i32 0
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; CHECK-NEXT: store ptr [[TMP3]], ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[Y]], i64 0, i32 1
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; CHECK-NEXT: [[TMP6:%.*]] = load ptr, ptr [[TMP5]], align 8
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[TMP6]], i32 [[I]]
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds { ptr, ptr }, ptr [[X]], i64 0, i32 1
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; CHECK-NEXT: store ptr [[TMP7]], ptr [[TMP8]], align 8
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; CHECK-NEXT: ret void
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;
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%1 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 0
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%2 = load ptr, ptr %1, align 8
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%3 = getelementptr inbounds i32, ptr %2, i32 %i
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%4 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 0
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store ptr %3, ptr %4, align 8
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%5 = getelementptr inbounds { ptr, ptr }, ptr %y, i64 0, i32 1
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%6 = load ptr, ptr %5, align 8
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%7 = getelementptr inbounds i32, ptr %6, i32 %i
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%8 = getelementptr inbounds { ptr, ptr }, ptr %x, i64 0, i32 1
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store ptr %7, ptr %8, align 8
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ret void
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}
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