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5f6f8101d5
integer and floating-point opcodes, introducing FAdd, FSub, and FMul. For now, the AsmParser, BitcodeReader, and IRBuilder all preserve backwards compatability, and the Core LLVM APIs preserve backwards compatibility for IR producers. Most front-ends won't need to change immediately. This implements the first step of the plan outlined here: http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt llvm-svn: 72897
35 lines
1.3 KiB
LLVM
35 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -pre-alloc-split
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@object_distance = external global double, align 8 ; <double*> [#uses=1]
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@axis_slope_angle = external global double, align 8 ; <double*> [#uses=1]
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@current_surfaces.b = external global i1 ; <i1*> [#uses=1]
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declare double @sin(double) nounwind readonly
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declare double @asin(double) nounwind readonly
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declare double @tan(double) nounwind readonly
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define fastcc void @trace_line(i32 %line) nounwind {
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entry:
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%.b3 = load i1* @current_surfaces.b ; <i1> [#uses=1]
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br i1 %.b3, label %bb, label %return
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bb: ; preds = %bb, %entry
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%0 = tail call double @asin(double 0.000000e+00) nounwind readonly ; <double> [#uses=1]
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%1 = fadd double 0.000000e+00, %0 ; <double> [#uses=2]
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%2 = tail call double @asin(double 0.000000e+00) nounwind readonly ; <double> [#uses=1]
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%3 = fsub double %1, %2 ; <double> [#uses=2]
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store double %3, double* @axis_slope_angle, align 8
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%4 = fdiv double %1, 2.000000e+00 ; <double> [#uses=1]
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%5 = tail call double @sin(double %4) nounwind readonly ; <double> [#uses=1]
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%6 = fmul double 0.000000e+00, %5 ; <double> [#uses=1]
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%7 = tail call double @tan(double %3) nounwind readonly ; <double> [#uses=0]
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%8 = fadd double 0.000000e+00, %6 ; <double> [#uses=1]
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store double %8, double* @object_distance, align 8
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br label %bb
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return: ; preds = %entry
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ret void
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}
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