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The x86_mmx type is used for MMX intrinsics, parameters and return values where these use MMX registers, and is also supported in load, store, and bitcast. Only the above operations generate MMX instructions, and optimizations do not operate on or produce MMX intrinsics. MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into smaller pieces. Optimizations may occur on these forms and the result casted back to x86_mmx, provided the result feeds into a previous existing x86_mmx operation. The point of all this is prevent optimizations from introducing MMX operations, which is unsafe due to the EMMS problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115243 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
3.4 KiB
LLVM
82 lines
3.4 KiB
LLVM
; Tests to make sure intrinsics are automatically upgraded.
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; RUN: llvm-as < %s | llvm-dis | not grep {i32 @llvm\\.ct}
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; RUN: llvm-as < %s | llvm-dis | \
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; RUN: not grep {llvm\\.part\\.set\\.i\[0-9\]*\\.i\[0-9\]*\\.i\[0-9\]*}
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; RUN: llvm-as < %s | llvm-dis | \
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; RUN: not grep {llvm\\.part\\.select\\.i\[0-9\]*\\.i\[0-9\]*}
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; RUN: llvm-as < %s | llvm-dis | \
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; RUN: not grep {llvm\\.bswap\\.i\[0-9\]*\\.i\[0-9\]*}
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; RUN: llvm-as < %s | llvm-dis | \
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; RUN: grep {llvm\\.x86\\.mmx\\.ps} | grep {x86_mmx} | count 16
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declare i32 @llvm.ctpop.i28(i28 %val)
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declare i32 @llvm.cttz.i29(i29 %val)
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declare i32 @llvm.ctlz.i30(i30 %val)
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define i32 @test_ct(i32 %A) {
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%c1 = call i32 @llvm.ctpop.i28(i28 1234)
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%c2 = call i32 @llvm.cttz.i29(i29 2345)
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%c3 = call i32 @llvm.ctlz.i30(i30 3456)
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%r1 = add i32 %c1, %c2
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%r2 = add i32 %r1, %c3
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ret i32 %r2
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}
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declare i32 @llvm.part.set.i32.i32.i32(i32 %x, i32 %rep, i32 %hi, i32 %lo)
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declare i16 @llvm.part.set.i16.i16.i16(i16 %x, i16 %rep, i32 %hi, i32 %lo)
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define i32 @test_part_set(i32 %A, i16 %B) {
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%a = call i32 @llvm.part.set.i32.i32.i32(i32 %A, i32 27, i32 8, i32 0)
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%b = call i16 @llvm.part.set.i16.i16.i16(i16 %B, i16 27, i32 8, i32 0)
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%c = zext i16 %b to i32
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%d = add i32 %a, %c
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ret i32 %d
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}
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declare i32 @llvm.part.select.i32.i32(i32 %x, i32 %hi, i32 %lo)
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declare i16 @llvm.part.select.i16.i16(i16 %x, i32 %hi, i32 %lo)
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define i32 @test_part_select(i32 %A, i16 %B) {
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%a = call i32 @llvm.part.select.i32.i32(i32 %A, i32 8, i32 0)
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%b = call i16 @llvm.part.select.i16.i16(i16 %B, i32 8, i32 0)
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%c = zext i16 %b to i32
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%d = add i32 %a, %c
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ret i32 %d
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}
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declare i32 @llvm.bswap.i32.i32(i32 %x)
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declare i16 @llvm.bswap.i16.i16(i16 %x)
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define i32 @test_bswap(i32 %A, i16 %B) {
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%a = call i32 @llvm.bswap.i32.i32(i32 %A)
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%b = call i16 @llvm.bswap.i16.i16(i16 %B)
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%c = zext i16 %b to i32
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%d = add i32 %a, %c
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ret i32 %d
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}
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declare <4 x i16> @llvm.x86.mmx.psra.w(<4 x i16>, <2 x i32>) nounwind readnone
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declare <4 x i16> @llvm.x86.mmx.psll.w(<4 x i16>, <2 x i32>) nounwind readnone
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declare <4 x i16> @llvm.x86.mmx.psrl.w(<4 x i16>, <2 x i32>) nounwind readnone
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define void @sh16(<4 x i16> %A, <2 x i32> %B) {
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%r1 = call <4 x i16> @llvm.x86.mmx.psra.w( <4 x i16> %A, <2 x i32> %B ) ; <<4 x i16>> [#uses=0]
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%r2 = call <4 x i16> @llvm.x86.mmx.psll.w( <4 x i16> %A, <2 x i32> %B ) ; <<4 x i16>> [#uses=0]
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%r3 = call <4 x i16> @llvm.x86.mmx.psrl.w( <4 x i16> %A, <2 x i32> %B ) ; <<4 x i16>> [#uses=0]
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ret void
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}
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declare <2 x i32> @llvm.x86.mmx.psra.d(<2 x i32>, <2 x i32>) nounwind readnone
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declare <2 x i32> @llvm.x86.mmx.psll.d(<2 x i32>, <2 x i32>) nounwind readnone
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declare <2 x i32> @llvm.x86.mmx.psrl.d(<2 x i32>, <2 x i32>) nounwind readnone
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define void @sh32(<2 x i32> %A, <2 x i32> %B) {
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%r1 = call <2 x i32> @llvm.x86.mmx.psra.d( <2 x i32> %A, <2 x i32> %B ) ; <<2 x i32>> [#uses=0]
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%r2 = call <2 x i32> @llvm.x86.mmx.psll.d( <2 x i32> %A, <2 x i32> %B ) ; <<2 x i32>> [#uses=0]
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%r3 = call <2 x i32> @llvm.x86.mmx.psrl.d( <2 x i32> %A, <2 x i32> %B ) ; <<2 x i32>> [#uses=0]
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ret void
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}
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declare <1 x i64> @llvm.x86.mmx.psll.q(<1 x i64>, <2 x i32>) nounwind readnone
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declare <1 x i64> @llvm.x86.mmx.psrl.q(<1 x i64>, <2 x i32>) nounwind readnone
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define void @sh64(<1 x i64> %A, <2 x i32> %B) {
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%r1 = call <1 x i64> @llvm.x86.mmx.psll.q( <1 x i64> %A, <2 x i32> %B ) ; <<1 x i64>> [#uses=0]
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%r2 = call <1 x i64> @llvm.x86.mmx.psrl.q( <1 x i64> %A, <2 x i32> %B ) ; <<1 x i64>> [#uses=0]
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ret void
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}
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