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141 lines
5.0 KiB
LLVM
141 lines
5.0 KiB
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; RUN: llc -march=hexagon -verify-machineinstrs=true < %s | FileCheck %s
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; Testing bitreverse load intrinsics:
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; Q6_bitrev_load_update_D(inputLR, pDelay, nConvLength);
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; Q6_bitrev_load_update_W(inputLR, pDelay, nConvLength);
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; Q6_bitrev_load_update_H(inputLR, pDelay, nConvLength);
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; Q6_bitrev_load_update_UH(inputLR, pDelay, nConvLength);
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; Q6_bitrev_load_update_UB(inputLR, pDelay, nConvLength);
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; Q6_bitrev_load_update_B(inputLR, pDelay, nConvLength);
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; producing these instructions:
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; r3:2 = memd(r0++m0:brev)
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; r1 = memw(r0++m0:brev)
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; r1 = memh(r0++m0:brev)
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; r1 = memuh(r0++m0:brev)
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; r1 = memub(r0++m0:brev)
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; r1 = memb(r0++m0:brev)
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target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
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target triple = "hexagon"
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define i64 @foo(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
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entry:
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%inputLR = alloca i64, align 8
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%conv = zext i16 %filtMemLen to i32
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%shr1 = lshr i32 %conv, 1
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%idxprom = sext i16 %filtMemIndex to i32
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%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
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%0 = bitcast i16* %arrayidx to i8*
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%1 = bitcast i64* %inputLR to i8*
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%sub = sub i32 13, %shr1
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%shl = shl i32 1, %sub
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; CHECK: memd(r{{[0-9]*}} ++ m{{[0-1]}}:brev)
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%2 = call i8* @llvm.hexagon.brev.ldd(i8* %0, i8* %1, i32 %shl)
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%3 = bitcast i8* %2 to i64*
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%4 = load i64, i64* %3, align 8, !tbaa !0
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ret i64 %4
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}
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declare i8* @llvm.hexagon.brev.ldd(i8*, i8*, i32) nounwind
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define i32 @foo1(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
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entry:
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%inputLR = alloca i32, align 4
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%conv = zext i16 %filtMemLen to i32
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%shr1 = lshr i32 %conv, 1
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%idxprom = sext i16 %filtMemIndex to i32
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%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
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%0 = bitcast i16* %arrayidx to i8*
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%1 = bitcast i32* %inputLR to i8*
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%sub = sub i32 14, %shr1
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%shl = shl i32 1, %sub
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; CHECK: memw(r{{[0-9]*}} ++ m{{[0-1]}}:brev)
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%2 = call i8* @llvm.hexagon.brev.ldw(i8* %0, i8* %1, i32 %shl)
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%3 = bitcast i8* %2 to i32*
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%4 = load i32, i32* %3, align 4, !tbaa !2
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ret i32 %4
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}
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declare i8* @llvm.hexagon.brev.ldw(i8*, i8*, i32) nounwind
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define signext i16 @foo2(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
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entry:
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%inputLR = alloca i16, align 2
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%conv = zext i16 %filtMemLen to i32
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%shr1 = lshr i32 %conv, 1
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%idxprom = sext i16 %filtMemIndex to i32
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%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
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%0 = bitcast i16* %arrayidx to i8*
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%1 = bitcast i16* %inputLR to i8*
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%sub = sub i32 15, %shr1
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%shl = shl i32 1, %sub
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; CHECK: memh(r{{[0-9]*}} ++ m0:brev)
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%2 = call i8* @llvm.hexagon.brev.ldh(i8* %0, i8* %1, i32 %shl)
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%3 = bitcast i8* %2 to i16*
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%4 = load i16, i16* %3, align 2, !tbaa !3
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ret i16 %4
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}
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declare i8* @llvm.hexagon.brev.ldh(i8*, i8*, i32) nounwind
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define zeroext i16 @foo3(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
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entry:
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%inputLR = alloca i16, align 2
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%conv = zext i16 %filtMemLen to i32
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%shr1 = lshr i32 %conv, 1
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%idxprom = sext i16 %filtMemIndex to i32
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%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
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%0 = bitcast i16* %arrayidx to i8*
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%1 = bitcast i16* %inputLR to i8*
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%sub = sub i32 15, %shr1
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%shl = shl i32 1, %sub
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; CHECK: memuh(r{{[0-9]*}} ++ m0:brev)
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%2 = call i8* @llvm.hexagon.brev.lduh(i8* %0, i8* %1, i32 %shl)
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%3 = bitcast i8* %2 to i16*
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%4 = load i16, i16* %3, align 2, !tbaa !3
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ret i16 %4
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}
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declare i8* @llvm.hexagon.brev.lduh(i8*, i8*, i32) nounwind
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define zeroext i8 @foo4(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
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entry:
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%inputLR = alloca i8, align 1
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%conv = zext i16 %filtMemLen to i32
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%shr1 = lshr i32 %conv, 1
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%idxprom = sext i16 %filtMemIndex to i32
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%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
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%0 = bitcast i16* %arrayidx to i8*
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%sub = sub nsw i32 16, %shr1
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%shl = shl i32 1, %sub
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; CHECK: memub(r{{[0-9]*}} ++ m{{[0-1]}}:brev)
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%1 = call i8* @llvm.hexagon.brev.ldub(i8* %0, i8* %inputLR, i32 %shl)
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%2 = load i8, i8* %1, align 1, !tbaa !0
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ret i8 %2
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}
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declare i8* @llvm.hexagon.brev.ldub(i8*, i8*, i32) nounwind
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define zeroext i8 @foo5(i16 zeroext %filtMemLen, i16* %filtMemLR, i16 signext %filtMemIndex) nounwind {
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entry:
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%inputLR = alloca i8, align 1
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%conv = zext i16 %filtMemLen to i32
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%shr1 = lshr i32 %conv, 1
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%idxprom = sext i16 %filtMemIndex to i32
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%arrayidx = getelementptr inbounds i16, i16* %filtMemLR, i32 %idxprom
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%0 = bitcast i16* %arrayidx to i8*
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%sub = sub nsw i32 16, %shr1
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%shl = shl i32 1, %sub
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; CHECK: memb(r{{[0-9]*}} ++ m{{[0-1]}}:brev)
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%1 = call i8* @llvm.hexagon.brev.ldb(i8* %0, i8* %inputLR, i32 %shl)
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%2 = load i8, i8* %1, align 1, !tbaa !0
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ret i8 %2
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}
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declare i8* @llvm.hexagon.brev.ldb(i8*, i8*, i32) nounwind
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!0 = !{!"omnipotent char", !1}
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!1 = !{!"Simple C/C++ TBAA"}
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!2 = !{!"int", !0}
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!3 = !{!"short", !0}
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