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ae3a0be92e
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72897 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \
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; RUN: grep {pre-alloc-split} | grep {Number of intervals split} | grep 1
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@current_surfaces.b = external global i1 ; <i1*> [#uses=1]
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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 = %bb9.i, %entry
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%.rle4 = phi double [ %7, %bb9.i ], [ 0.000000e+00, %entry ] ; <double> [#uses=1]
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%0 = load double* null, align 8 ; <double> [#uses=3]
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%1 = fcmp une double %0, 0.000000e+00 ; <i1> [#uses=1]
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br i1 %1, label %bb9.i, label %bb13.i
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bb9.i: ; preds = %bb
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%2 = fsub double %.rle4, %0 ; <double> [#uses=0]
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%3 = tail call double @asin(double 0.000000e+00) nounwind readonly ; <double> [#uses=0]
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%4 = fmul double 0.000000e+00, %0 ; <double> [#uses=1]
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%5 = tail call double @tan(double 0.000000e+00) nounwind readonly ; <double> [#uses=0]
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%6 = fmul double %4, 0.000000e+00 ; <double> [#uses=1]
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%7 = fadd double %6, 0.000000e+00 ; <double> [#uses=1]
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br i1 false, label %return, label %bb
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bb13.i: ; preds = %bb
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unreachable
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return: ; preds = %bb9.i, %entry
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ret void
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}
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