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839b759c38
and the spill is its kill. However, if the local allocator has determined the register has not been modified (possible when its value was reloaded), it would not issue a restore. In that case, mark the last use of the virtual register as kill. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46111 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
2.0 KiB
LLVM
36 lines
2.0 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -regalloc=local
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define void @SolveCubic(double %a, double %b, double %c, double %d, i32* %solutions, double* %x) {
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entry:
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%tmp71 = load x86_fp80* null, align 16 ; <x86_fp80> [#uses=1]
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%tmp72 = fdiv x86_fp80 %tmp71, 0xKC000C000000000000000 ; <x86_fp80> [#uses=1]
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%tmp73 = add x86_fp80 0xK00000000000000000000, %tmp72 ; <x86_fp80> [#uses=1]
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%tmp7374 = fptrunc x86_fp80 %tmp73 to double ; <double> [#uses=1]
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store double %tmp7374, double* null, align 8
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%tmp81 = load double* null, align 8 ; <double> [#uses=1]
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%tmp82 = add double %tmp81, 0x401921FB54442D18 ; <double> [#uses=1]
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%tmp83 = fdiv double %tmp82, 3.000000e+00 ; <double> [#uses=1]
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%tmp84 = call double @cos( double %tmp83 ) ; <double> [#uses=1]
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%tmp85 = mul double 0.000000e+00, %tmp84 ; <double> [#uses=1]
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%tmp8586 = fpext double %tmp85 to x86_fp80 ; <x86_fp80> [#uses=1]
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%tmp87 = load x86_fp80* null, align 16 ; <x86_fp80> [#uses=1]
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%tmp88 = fdiv x86_fp80 %tmp87, 0xKC000C000000000000000 ; <x86_fp80> [#uses=1]
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%tmp89 = add x86_fp80 %tmp8586, %tmp88 ; <x86_fp80> [#uses=1]
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%tmp8990 = fptrunc x86_fp80 %tmp89 to double ; <double> [#uses=1]
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store double %tmp8990, double* null, align 8
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%tmp97 = load double* null, align 8 ; <double> [#uses=1]
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%tmp98 = add double %tmp97, 0x402921FB54442D18 ; <double> [#uses=1]
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%tmp99 = fdiv double %tmp98, 3.000000e+00 ; <double> [#uses=1]
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%tmp100 = call double @cos( double %tmp99 ) ; <double> [#uses=1]
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%tmp101 = mul double 0.000000e+00, %tmp100 ; <double> [#uses=1]
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%tmp101102 = fpext double %tmp101 to x86_fp80 ; <x86_fp80> [#uses=1]
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%tmp103 = load x86_fp80* null, align 16 ; <x86_fp80> [#uses=1]
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%tmp104 = fdiv x86_fp80 %tmp103, 0xKC000C000000000000000 ; <x86_fp80> [#uses=1]
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%tmp105 = add x86_fp80 %tmp101102, %tmp104 ; <x86_fp80> [#uses=1]
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%tmp105106 = fptrunc x86_fp80 %tmp105 to double ; <double> [#uses=1]
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store double %tmp105106, double* null, align 8
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ret void
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}
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declare double @cos(double)
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