A few instruction scheduling test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28077 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/2006-05-01-SchedCausingSpills.ll b/test/CodeGen/X86/2006-05-01-SchedCausingSpills.ll
new file mode 100644 (file)
index 0000000..5015b21
--- /dev/null
+++ b/test/CodeGen/X86/2006-05-01-SchedCausingSpills.ll
@@ -0,0 +1,73 @@
+; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah -stats 2>&1 | not grep 'Number of register spills'
+
+int %foo(<4 x float>* %a, <4 x float>* %b, <4 x float>* %c, <4 x float>* %d) {
+       %tmp44 = load <4 x float>* %a           ; <<4 x float>> [#uses=9]
+       %tmp46 = load <4 x float>* %b           ; <<4 x float>> [#uses=1]
+       %tmp48 = load <4 x float>* %c           ; <<4 x float>> [#uses=1]
+       %tmp50 = load <4 x float>* %d           ; <<4 x float>> [#uses=1]
+       %tmp51 = cast <4 x float> %tmp44 to <4 x int>           ; <<4 x int>> [#uses=1]
+       %tmp = shufflevector <4 x int> %tmp51, <4 x int> undef, <4 x uint> < uint 3, uint 3, uint 3, uint 3 >           ; <<4 x int>> [#uses=2]
+       %tmp52 = cast <4 x int> %tmp to <4 x float>             ; <<4 x float>> [#uses=1]
+       %tmp60 = xor <4 x int> %tmp, < int -2147483648, int -2147483648, int -2147483648, int -2147483648 >             ; <<4 x int>> [#uses=1]
+       %tmp61 = cast <4 x int> %tmp60 to <4 x float>           ; <<4 x float>> [#uses=1]
+       %tmp74 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp52, <4 x float> %tmp44, sbyte 1 )          ; <<4 x float>> [#uses=1]
+       %tmp75 = cast <4 x float> %tmp74 to <4 x int>           ; <<4 x int>> [#uses=1]
+       %tmp88 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp44, <4 x float> %tmp61, sbyte 1 )          ; <<4 x float>> [#uses=1]
+       %tmp89 = cast <4 x float> %tmp88 to <4 x int>           ; <<4 x int>> [#uses=1]
+       %tmp98 = tail call <4 x int> %llvm.x86.sse2.packssdw.128( <4 x int> %tmp75, <4 x int> %tmp89 )          ; <<4 x int>> [#uses=1]
+       %tmp102 = cast <4 x int> %tmp98 to <8 x short>          ; <<8 x short>> [#uses=1]
+       %tmp = shufflevector <8 x short> %tmp102, <8 x short> undef, <8 x uint> < uint 0, uint 1, uint 2, uint 3, uint 6, uint 5, uint 4, uint 7 >              ; <<8 x short>> [#uses=1]
+       %tmp105 = shufflevector <8 x short> %tmp, <8 x short> undef, <8 x uint> < uint 2, uint 1, uint 0, uint 3, uint 4, uint 5, uint 6, uint 7 >              ; <<8 x short>> [#uses=1]
+       %tmp105 = cast <8 x short> %tmp105 to <4 x float>               ; <<4 x float>> [#uses=1]
+       store <4 x float> %tmp105, <4 x float>* %a
+       %tmp108 = cast <4 x float> %tmp46 to <4 x int>          ; <<4 x int>> [#uses=1]
+       %tmp109 = shufflevector <4 x int> %tmp108, <4 x int> undef, <4 x uint> < uint 3, uint 3, uint 3, uint 3 >               ; <<4 x int>> [#uses=2]
+       %tmp109 = cast <4 x int> %tmp109 to <4 x float>         ; <<4 x float>> [#uses=1]
+       %tmp119 = xor <4 x int> %tmp109, < int -2147483648, int -2147483648, int -2147483648, int -2147483648 >         ; <<4 x int>> [#uses=1]
+       %tmp120 = cast <4 x int> %tmp119 to <4 x float>         ; <<4 x float>> [#uses=1]
+       %tmp133 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp109, <4 x float> %tmp44, sbyte 1 )                ; <<4 x float>> [#uses=1]
+       %tmp134 = cast <4 x float> %tmp133 to <4 x int>         ; <<4 x int>> [#uses=1]
+       %tmp147 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp44, <4 x float> %tmp120, sbyte 1 )                ; <<4 x float>> [#uses=1]
+       %tmp148 = cast <4 x float> %tmp147 to <4 x int>         ; <<4 x int>> [#uses=1]
+       %tmp159 = tail call <4 x int> %llvm.x86.sse2.packssdw.128( <4 x int> %tmp134, <4 x int> %tmp148 )               ; <<4 x int>> [#uses=1]
+       %tmp163 = cast <4 x int> %tmp159 to <8 x short>         ; <<8 x short>> [#uses=1]
+       %tmp164 = shufflevector <8 x short> %tmp163, <8 x short> undef, <8 x uint> < uint 0, uint 1, uint 2, uint 3, uint 6, uint 5, uint 4, uint 7 >           ; <<8 x short>> [#uses=1]
+       %tmp166 = shufflevector <8 x short> %tmp164, <8 x short> undef, <8 x uint> < uint 2, uint 1, uint 0, uint 3, uint 4, uint 5, uint 6, uint 7 >           ; <<8 x short>> [#uses=1]
+       %tmp166 = cast <8 x short> %tmp166 to <4 x float>               ; <<4 x float>> [#uses=1]
+       store <4 x float> %tmp166, <4 x float>* %b
+       %tmp169 = cast <4 x float> %tmp48 to <4 x int>          ; <<4 x int>> [#uses=1]
+       %tmp170 = shufflevector <4 x int> %tmp169, <4 x int> undef, <4 x uint> < uint 3, uint 3, uint 3, uint 3 >               ; <<4 x int>> [#uses=2]
+       %tmp170 = cast <4 x int> %tmp170 to <4 x float>         ; <<4 x float>> [#uses=1]
+       %tmp180 = xor <4 x int> %tmp170, < int -2147483648, int -2147483648, int -2147483648, int -2147483648 >         ; <<4 x int>> [#uses=1]
+       %tmp181 = cast <4 x int> %tmp180 to <4 x float>         ; <<4 x float>> [#uses=1]
+       %tmp194 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp170, <4 x float> %tmp44, sbyte 1 )                ; <<4 x float>> [#uses=1]
+       %tmp195 = cast <4 x float> %tmp194 to <4 x int>         ; <<4 x int>> [#uses=1]
+       %tmp208 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp44, <4 x float> %tmp181, sbyte 1 )                ; <<4 x float>> [#uses=1]
+       %tmp209 = cast <4 x float> %tmp208 to <4 x int>         ; <<4 x int>> [#uses=1]
+       %tmp220 = tail call <4 x int> %llvm.x86.sse2.packssdw.128( <4 x int> %tmp195, <4 x int> %tmp209 )               ; <<4 x int>> [#uses=1]
+       %tmp224 = cast <4 x int> %tmp220 to <8 x short>         ; <<8 x short>> [#uses=1]
+       %tmp225 = shufflevector <8 x short> %tmp224, <8 x short> undef, <8 x uint> < uint 0, uint 1, uint 2, uint 3, uint 6, uint 5, uint 4, uint 7 >           ; <<8 x short>> [#uses=1]
+       %tmp227 = shufflevector <8 x short> %tmp225, <8 x short> undef, <8 x uint> < uint 2, uint 1, uint 0, uint 3, uint 4, uint 5, uint 6, uint 7 >           ; <<8 x short>> [#uses=1]
+       %tmp227 = cast <8 x short> %tmp227 to <4 x float>               ; <<4 x float>> [#uses=1]
+       store <4 x float> %tmp227, <4 x float>* %c
+       %tmp230 = cast <4 x float> %tmp50 to <4 x int>          ; <<4 x int>> [#uses=1]
+       %tmp231 = shufflevector <4 x int> %tmp230, <4 x int> undef, <4 x uint> < uint 3, uint 3, uint 3, uint 3 >               ; <<4 x int>> [#uses=2]
+       %tmp231 = cast <4 x int> %tmp231 to <4 x float>         ; <<4 x float>> [#uses=1]
+       %tmp241 = xor <4 x int> %tmp231, < int -2147483648, int -2147483648, int -2147483648, int -2147483648 >         ; <<4 x int>> [#uses=1]
+       %tmp242 = cast <4 x int> %tmp241 to <4 x float>         ; <<4 x float>> [#uses=1]
+       %tmp255 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp231, <4 x float> %tmp44, sbyte 1 )                ; <<4 x float>> [#uses=1]
+       %tmp256 = cast <4 x float> %tmp255 to <4 x int>         ; <<4 x int>> [#uses=1]
+       %tmp269 = tail call <4 x float> %llvm.x86.sse.cmp.ps( <4 x float> %tmp44, <4 x float> %tmp242, sbyte 1 )                ; <<4 x float>> [#uses=1]
+       %tmp270 = cast <4 x float> %tmp269 to <4 x int>         ; <<4 x int>> [#uses=1]
+       %tmp281 = tail call <4 x int> %llvm.x86.sse2.packssdw.128( <4 x int> %tmp256, <4 x int> %tmp270 )               ; <<4 x int>> [#uses=1]
+       %tmp285 = cast <4 x int> %tmp281 to <8 x short>         ; <<8 x short>> [#uses=1]
+       %tmp286 = shufflevector <8 x short> %tmp285, <8 x short> undef, <8 x uint> < uint 0, uint 1, uint 2, uint 3, uint 6, uint 5, uint 4, uint 7 >           ; <<8 x short>> [#uses=1]
+       %tmp288 = shufflevector <8 x short> %tmp286, <8 x short> undef, <8 x uint> < uint 2, uint 1, uint 0, uint 3, uint 4, uint 5, uint 6, uint 7 >           ; <<8 x short>> [#uses=1]
+       %tmp288 = cast <8 x short> %tmp288 to <4 x float>               ; <<4 x float>> [#uses=1]
+       store <4 x float> %tmp288, <4 x float>* %d
+       ret int 0
+}
+
+declare <4 x float> %llvm.x86.sse.cmp.ps(<4 x float>, <4 x float>, sbyte)
+
+declare <4 x int> %llvm.x86.sse2.packssdw.128(<4 x int>, <4 x int>)

diff --git a/test/CodeGen/X86/2006-05-02-InstrSched1.ll b/test/CodeGen/X86/2006-05-02-InstrSched1.ll
new file mode 100644 (file)
index 0000000..e6e8f69
--- /dev/null
+++ b/test/CodeGen/X86/2006-05-02-InstrSched1.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llc -march=x86 -relocation-model=static -stats 2>&1 | grep "asm-printer" | grep 14
+%size20 = external global uint         ; <uint*> [#uses=1]
+%in5 = external global ubyte*          ; <ubyte**> [#uses=1]
+
+int %compare(sbyte* %a, sbyte* %b) {
+       %tmp = cast sbyte* %a to uint*          ; <uint*> [#uses=1]
+       %tmp1 = cast sbyte* %b to uint*         ; <uint*> [#uses=1]
+       %tmp = load uint* %size20               ; <uint> [#uses=1]
+       %tmp = load ubyte** %in5                ; <ubyte*> [#uses=2]
+       %tmp3 = load uint* %tmp1                ; <uint> [#uses=1]
+       %tmp4 = getelementptr ubyte* %tmp, uint %tmp3           ; <ubyte*> [#uses=1]
+       %tmp7 = load uint* %tmp         ; <uint> [#uses=1]
+       %tmp8 = getelementptr ubyte* %tmp, uint %tmp7           ; <ubyte*> [#uses=1]
+       %tmp8 = cast ubyte* %tmp8 to sbyte*             ; <sbyte*> [#uses=1]
+       %tmp4 = cast ubyte* %tmp4 to sbyte*             ; <sbyte*> [#uses=1]
+       %tmp = tail call int %memcmp( sbyte* %tmp8, sbyte* %tmp4, uint %tmp )           ; <int> [#uses=1]
+       ret int %tmp
+}
+
+declare int %memcmp(sbyte*, sbyte*, uint)

diff --git a/test/CodeGen/X86/2006-05-02-InstrSched2.ll b/test/CodeGen/X86/2006-05-02-InstrSched2.ll
new file mode 100644 (file)
index 0000000..67b0515
--- /dev/null
+++ b/test/CodeGen/X86/2006-05-02-InstrSched2.ll
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | llc -march=x86 -stats 2>&1 | grep "asm-printer" | grep 19
+
+void %_ZN9__gnu_cxx9hashtableISt4pairIKPKciES3_NS_4hashIS3_EESt10_Select1stIS5_E5eqstrSaIiEE14find_or_insertERKS5__cond_true456.i(sbyte* %tmp435.i, uint* %tmp449.i.out) {
+newFuncRoot:
+       br label %cond_true456.i
+
+bb459.i.exitStub:              ; preds = %cond_true456.i
+       store uint %tmp449.i, uint* %tmp449.i.out
+       ret void
+
+cond_true456.i:                ; preds = %cond_true456.i, %newFuncRoot
+       %__s441.2.4.i = phi sbyte* [ %tmp451.i, %cond_true456.i ], [ %tmp435.i, %newFuncRoot ]          ; <sbyte*> [#uses=2]
+       %__h.2.4.i = phi uint [ %tmp449.i, %cond_true456.i ], [ 0, %newFuncRoot ]               ; <uint> [#uses=1]
+       %tmp446.i = mul uint %__h.2.4.i, 5              ; <uint> [#uses=1]
+       %tmp.i = load sbyte* %__s441.2.4.i              ; <sbyte> [#uses=1]
+       %tmp448.i = cast sbyte %tmp.i to uint           ; <uint> [#uses=1]
+       %tmp449.i = add uint %tmp448.i, %tmp446.i               ; <uint> [#uses=2]
+       %tmp450.i = cast sbyte* %__s441.2.4.i to uint           ; <uint> [#uses=1]
+       %tmp451.i = add uint %tmp450.i, 1               ; <uint> [#uses=1]
+       %tmp451.i = cast uint %tmp451.i to sbyte*               ; <sbyte*> [#uses=2]
+       %tmp45435.i = load sbyte* %tmp451.i             ; <sbyte> [#uses=1]
+       %tmp45536.i = seteq sbyte %tmp45435.i, 0                ; <bool> [#uses=1]
+       br bool %tmp45536.i, label %bb459.i.exitStub, label %cond_true456.i
+}