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llvm-6502/test/CodeGen/ARM/2009-02-27-SpillerBug.ll
Dan Gohman ae3a0be92e Split the Add, Sub, and Mul instruction opcodes into separate 
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
2009-06-04 22:49:04 +00:00

230 lines
12 KiB
LLVM
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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6,+vfp2
target triple = "arm-apple-darwin9"
@a = external global double ; <double*> [#uses=1]
@N = external global double ; <double*> [#uses=1]
declare double @llvm.exp.f64(double) nounwind readonly
define fastcc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind {
bb.thread:
br label %bb52
bb32: ; preds = %bb52
%0 = fadd double 0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%1 = add i32 %j.1, 1 ; <i32> [#uses=1]
br label %bb52
bb52: ; preds = %bb53, %bb32, %bb.thread
%i.3494 = phi i32 [ 0, %bb.thread ], [ %3, %bb53 ], [ %i.3494, %bb32 ] ; <i32> [#uses=2]
%k.4 = phi double [ %0, %bb32 ], [ 0.000000e+00, %bb53 ], [ 0.000000e+00, %bb.thread ] ; <double> [#uses=2]
%j.1 = phi i32 [ %1, %bb32 ], [ 0, %bb53 ], [ 0, %bb.thread ] ; <i32> [#uses=2]
%2 = icmp sgt i32 %j.1, 99 ; <i1> [#uses=1]
br i1 %2, label %bb53, label %bb32
bb53: ; preds = %bb52
%3 = add i32 %i.3494, 1 ; <i32> [#uses=2]
%phitmp = icmp sgt i32 %3, 999999 ; <i1> [#uses=1]
br i1 %phitmp, label %bb55, label %bb52
bb55: ; preds = %bb53
%4 = load double* @a, align 4 ; <double> [#uses=10]
%5 = fadd double %4, 0.000000e+00 ; <double> [#uses=16]
%6 = fcmp ogt double %k.4, 0.000000e+00 ; <i1> [#uses=1]
%.pn404 = fmul double %4, %4 ; <double> [#uses=4]
%.pn402 = fmul double %5, %5 ; <double> [#uses=5]
%.pn165.in = load double* @N ; <double> [#uses=5]
%.pn198 = fmul double 0.000000e+00, %5 ; <double> [#uses=1]
%.pn185 = fsub double -0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%.pn147 = fsub double -0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%.pn141 = fdiv double 0.000000e+00, %4 ; <double> [#uses=1]
%.pn142 = fdiv double 0.000000e+00, %5 ; <double> [#uses=1]
%.pn136 = fdiv double 0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%.pn132 = fdiv double 0.000000e+00, %5 ; <double> [#uses=1]
%.pn123 = fdiv double 0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%.pn124 = fdiv double 0.000000e+00, %.pn198 ; <double> [#uses=1]
%.pn120 = fdiv double 0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%.pn117 = fdiv double 0.000000e+00, %4 ; <double> [#uses=1]
%.pn118 = fdiv double %.pn185, %5 ; <double> [#uses=1]
%.pn88 = fdiv double %.pn147, %5 ; <double> [#uses=1]
%.pn81 = fsub double %.pn141, %.pn142 ; <double> [#uses=1]
%.pn77 = fsub double 0.000000e+00, %.pn136 ; <double> [#uses=1]
%.pn75 = fsub double 0.000000e+00, %.pn132 ; <double> [#uses=1]
%.pn69 = fsub double %.pn123, %.pn124 ; <double> [#uses=1]
%.pn67 = fsub double 0.000000e+00, %.pn120 ; <double> [#uses=1]
%.pn56 = fsub double %.pn117, %.pn118 ; <double> [#uses=1]
%.pn42 = fsub double 0.000000e+00, %.pn88 ; <double> [#uses=1]
%.pn60 = fmul double %.pn81, 0.000000e+00 ; <double> [#uses=1]
%.pn57 = fadd double %.pn77, 0.000000e+00 ; <double> [#uses=1]
%.pn58 = fmul double %.pn75, %.pn165.in ; <double> [#uses=1]
%.pn32 = fadd double %.pn69, 0.000000e+00 ; <double> [#uses=1]
%.pn33 = fmul double %.pn67, %.pn165.in ; <double> [#uses=1]
%.pn17 = fsub double 0.000000e+00, %.pn60 ; <double> [#uses=1]
%.pn9 = fadd double %.pn57, %.pn58 ; <double> [#uses=1]
%.pn30 = fmul double 0.000000e+00, %.pn56 ; <double> [#uses=1]
%.pn24 = fmul double 0.000000e+00, %.pn42 ; <double> [#uses=1]
%.pn1 = fadd double %.pn32, %.pn33 ; <double> [#uses=1]
%.pn28 = fsub double %.pn30, 0.000000e+00 ; <double> [#uses=1]
%.pn26 = fadd double %.pn28, 0.000000e+00 ; <double> [#uses=1]
%.pn22 = fsub double %.pn26, 0.000000e+00 ; <double> [#uses=1]
%.pn20 = fsub double %.pn24, 0.000000e+00 ; <double> [#uses=1]
%.pn18 = fadd double %.pn22, 0.000000e+00 ; <double> [#uses=1]
%.pn16 = fadd double %.pn20, 0.000000e+00 ; <double> [#uses=1]
%.pn14 = fsub double %.pn18, 0.000000e+00 ; <double> [#uses=1]
%.pn12 = fsub double %.pn16, %.pn17 ; <double> [#uses=1]
%.pn10 = fadd double %.pn14, 0.000000e+00 ; <double> [#uses=1]
%.pn8 = fadd double %.pn12, 0.000000e+00 ; <double> [#uses=1]
%.pn6 = fsub double %.pn10, 0.000000e+00 ; <double> [#uses=1]
%.pn4 = fsub double %.pn8, %.pn9 ; <double> [#uses=1]
%.pn2 = fadd double %.pn6, 0.000000e+00 ; <double> [#uses=1]
%.pn = fadd double %.pn4, 0.000000e+00 ; <double> [#uses=1]
%N1.0 = fsub double %.pn2, 0.000000e+00 ; <double> [#uses=2]
%D1.0 = fsub double %.pn, %.pn1 ; <double> [#uses=2]
br i1 %6, label %bb62, label %bb64
bb62: ; preds = %bb55
%7 = fmul double 0.000000e+00, %4 ; <double> [#uses=1]
%8 = fsub double -0.000000e+00, %7 ; <double> [#uses=3]
%9 = fmul double 0.000000e+00, %5 ; <double> [#uses=1]
%10 = fsub double -0.000000e+00, %9 ; <double> [#uses=3]
%11 = fmul double %.pn404, %4 ; <double> [#uses=5]
%12 = fmul double %.pn402, %5 ; <double> [#uses=5]
%13 = fmul double 0.000000e+00, -2.000000e+00 ; <double> [#uses=1]
%14 = fdiv double 0.000000e+00, %.pn402 ; <double> [#uses=1]
%15 = fsub double 0.000000e+00, %14 ; <double> [#uses=1]
%16 = fmul double 0.000000e+00, %15 ; <double> [#uses=1]
%17 = fadd double %13, %16 ; <double> [#uses=1]
%18 = fmul double %.pn165.in, -2.000000e+00 ; <double> [#uses=5]
%19 = fmul double %18, 0.000000e+00 ; <double> [#uses=1]
%20 = fadd double %17, %19 ; <double> [#uses=1]
%21 = fmul double 0.000000e+00, %20 ; <double> [#uses=1]
%22 = fadd double 0.000000e+00, %21 ; <double> [#uses=1]
%23 = fdiv double 0.000000e+00, %12 ; <double> [#uses=1]
%24 = fsub double 0.000000e+00, %23 ; <double> [#uses=0]
%25 = fmul double %18, 0.000000e+00 ; <double> [#uses=1]
%26 = fadd double 0.000000e+00, %25 ; <double> [#uses=1]
%27 = fmul double 0.000000e+00, %26 ; <double> [#uses=1]
%28 = fsub double %22, %27 ; <double> [#uses=1]
%29 = fmul double %11, %4 ; <double> [#uses=1]
%30 = fmul double %12, %5 ; <double> [#uses=3]
%31 = fmul double %.pn165.in, -4.000000e+00 ; <double> [#uses=1]
%32 = fmul double %.pn165.in, 0x3FF5555555555555 ; <double> [#uses=1]
%33 = fmul double %32, 0.000000e+00 ; <double> [#uses=2]
%34 = fadd double %28, 0.000000e+00 ; <double> [#uses=1]
%35 = fsub double -0.000000e+00, 0.000000e+00 ; <double> [#uses=1]
%36 = fdiv double %35, %11 ; <double> [#uses=1]
%37 = fdiv double 0.000000e+00, %12 ; <double> [#uses=1]
%38 = fsub double %36, %37 ; <double> [#uses=1]
%39 = fmul double 0.000000e+00, %38 ; <double> [#uses=1]
%40 = fadd double 0.000000e+00, %39 ; <double> [#uses=1]
%41 = fadd double %40, 0.000000e+00 ; <double> [#uses=1]
%42 = fadd double %41, 0.000000e+00 ; <double> [#uses=1]
%43 = fmul double %42, 0.000000e+00 ; <double> [#uses=1]
%44 = fsub double %34, %43 ; <double> [#uses=1]
%45 = tail call double @llvm.exp.f64(double %8) nounwind ; <double> [#uses=1]
%46 = fsub double -0.000000e+00, %45 ; <double> [#uses=2]
%47 = fdiv double %46, 0.000000e+00 ; <double> [#uses=1]
%48 = fmul double %30, %5 ; <double> [#uses=1]
%49 = fdiv double 0.000000e+00, %48 ; <double> [#uses=1]
%50 = fsub double %47, %49 ; <double> [#uses=1]
%51 = fmul double %50, -4.000000e+00 ; <double> [#uses=1]
%52 = fadd double %51, 0.000000e+00 ; <double> [#uses=1]
%53 = fdiv double %46, %11 ; <double> [#uses=1]
%54 = fsub double %53, 0.000000e+00 ; <double> [#uses=1]
%55 = fmul double %31, %54 ; <double> [#uses=1]
%56 = fadd double %52, %55 ; <double> [#uses=1]
%57 = fadd double %56, 0.000000e+00 ; <double> [#uses=1]
%58 = fadd double %44, %57 ; <double> [#uses=1]
%59 = fsub double %58, 0.000000e+00 ; <double> [#uses=1]
%60 = tail call double @llvm.exp.f64(double 0.000000e+00) nounwind ; <double> [#uses=1]
%61 = fsub double -0.000000e+00, %60 ; <double> [#uses=1]
%62 = fdiv double 0.000000e+00, -6.000000e+00 ; <double> [#uses=1]
%63 = fdiv double %61, %5 ; <double> [#uses=1]
%64 = fsub double 0.000000e+00, %63 ; <double> [#uses=1]
%65 = fmul double %62, %64 ; <double> [#uses=1]
%66 = fsub double 0.000000e+00, %65 ; <double> [#uses=1]
%67 = fsub double -0.000000e+00, 0.000000e+00 ; <double> [#uses=2]
%68 = tail call double @llvm.exp.f64(double %10) nounwind ; <double> [#uses=1]
%69 = fsub double -0.000000e+00, %68 ; <double> [#uses=2]
%70 = fdiv double %67, %.pn404 ; <double> [#uses=1]
%71 = fdiv double %69, %.pn402 ; <double> [#uses=1]
%72 = fsub double %70, %71 ; <double> [#uses=1]
%73 = fmul double %72, -5.000000e-01 ; <double> [#uses=1]
%74 = fdiv double %67, %4 ; <double> [#uses=1]
%75 = fdiv double %69, %5 ; <double> [#uses=1]
%76 = fsub double %74, %75 ; <double> [#uses=1]
%77 = fmul double %76, 0.000000e+00 ; <double> [#uses=1]
%78 = fadd double %73, %77 ; <double> [#uses=1]
%79 = fmul double 0.000000e+00, %78 ; <double> [#uses=1]
%80 = fadd double %66, %79 ; <double> [#uses=1]
%81 = fdiv double 0.000000e+00, %.pn404 ; <double> [#uses=1]
%82 = fdiv double 0.000000e+00, %.pn402 ; <double> [#uses=1]
%83 = fsub double %81, %82 ; <double> [#uses=1]
%84 = fmul double %83, -5.000000e-01 ; <double> [#uses=1]
%85 = fdiv double 0.000000e+00, %4 ; <double> [#uses=1]
%86 = fdiv double 0.000000e+00, %5 ; <double> [#uses=1]
%87 = fsub double %85, %86 ; <double> [#uses=1]
%88 = fmul double %87, 0.000000e+00 ; <double> [#uses=1]
%89 = fadd double %84, %88 ; <double> [#uses=1]
%90 = fmul double 0.000000e+00, %89 ; <double> [#uses=1]
%91 = fsub double %80, %90 ; <double> [#uses=1]
%92 = tail call double @llvm.exp.f64(double %8) nounwind ; <double> [#uses=1]
%93 = fsub double -0.000000e+00, %92 ; <double> [#uses=1]
%94 = tail call double @llvm.exp.f64(double %10) nounwind ; <double> [#uses=1]
%95 = fsub double -0.000000e+00, %94 ; <double> [#uses=3]
%96 = fdiv double %95, %.pn402 ; <double> [#uses=1]
%97 = fsub double 0.000000e+00, %96 ; <double> [#uses=1]
%98 = fmul double 0.000000e+00, %97 ; <double> [#uses=1]
%99 = fdiv double %93, %11 ; <double> [#uses=1]
%100 = fdiv double %95, %12 ; <double> [#uses=1]
%101 = fsub double %99, %100 ; <double> [#uses=1]
%102 = fsub double %98, %101 ; <double> [#uses=1]
%103 = fdiv double %95, %5 ; <double> [#uses=1]
%104 = fsub double 0.000000e+00, %103 ; <double> [#uses=1]
%105 = fmul double %18, %104 ; <double> [#uses=1]
%106 = fadd double %102, %105 ; <double> [#uses=1]
%107 = fmul double %106, %k.4 ; <double> [#uses=1]
%108 = fadd double %91, %107 ; <double> [#uses=1]
%109 = fsub double %108, 0.000000e+00 ; <double> [#uses=1]
%110 = tail call double @llvm.exp.f64(double %8) nounwind ; <double> [#uses=1]
%111 = fsub double -0.000000e+00, %110 ; <double> [#uses=2]
%112 = tail call double @llvm.exp.f64(double %10) nounwind ; <double> [#uses=1]
%113 = fsub double -0.000000e+00, %112 ; <double> [#uses=2]
%114 = fdiv double %111, %11 ; <double> [#uses=1]
%115 = fdiv double %113, %12 ; <double> [#uses=1]
%116 = fsub double %114, %115 ; <double> [#uses=1]
%117 = fmul double 0.000000e+00, %116 ; <double> [#uses=1]
%118 = fdiv double %111, %29 ; <double> [#uses=1]
%119 = fdiv double %113, %30 ; <double> [#uses=1]
%120 = fsub double %118, %119 ; <double> [#uses=1]
%121 = fsub double %117, %120 ; <double> [#uses=1]
%122 = fmul double %18, 0.000000e+00 ; <double> [#uses=1]
%123 = fadd double %121, %122 ; <double> [#uses=1]
%124 = fmul double %33, 0.000000e+00 ; <double> [#uses=1]
%125 = fadd double %123, %124 ; <double> [#uses=1]
%126 = fadd double %109, %125 ; <double> [#uses=1]
%127 = tail call double @llvm.exp.f64(double 0.000000e+00) nounwind ; <double> [#uses=1]
%128 = fsub double -0.000000e+00, %127 ; <double> [#uses=2]
%129 = fdiv double %128, %30 ; <double> [#uses=1]
%130 = fsub double 0.000000e+00, %129 ; <double> [#uses=1]
%131 = fsub double 0.000000e+00, %130 ; <double> [#uses=1]
%132 = fdiv double 0.000000e+00, %.pn404 ; <double> [#uses=1]
%133 = fsub double %132, 0.000000e+00 ; <double> [#uses=1]
%134 = fmul double %18, %133 ; <double> [#uses=1]
%135 = fadd double %131, %134 ; <double> [#uses=1]
%136 = fdiv double %128, %5 ; <double> [#uses=1]
%137 = fsub double 0.000000e+00, %136 ; <double> [#uses=1]
%138 = fmul double %33, %137 ; <double> [#uses=1]
%139 = fadd double %135, %138 ; <double> [#uses=1]
%140 = fsub double %126, %139 ; <double> [#uses=1]
%141 = fadd double %N1.0, %59 ; <double> [#uses=1]
%142 = fadd double %D1.0, %140 ; <double> [#uses=1]
br label %bb64
bb64: ; preds = %bb62, %bb55
%N1.0.pn = phi double [ %141, %bb62 ], [ %N1.0, %bb55 ] ; <double> [#uses=1]
%D1.0.pn = phi double [ %142, %bb62 ], [ %D1.0, %bb55 ] ; <double> [#uses=1]
%x.1 = fdiv double %N1.0.pn, %D1.0.pn ; <double> [#uses=0]
ret void
}
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