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Add VFP3 D registers to the DPR register class.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77521 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-07-29 23:03:41 +00:00
parent 1b10d798d7
commit d600522608
2 changed files with 111 additions and 1 deletions
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4
lib/Target/ARM/ARMRegisterInfo.td
View File

@ -248,7 +248,9 @@ def SPR : RegisterClass<"ARM", [f32], 32, [S0, S1, S2, S3, S4, S5, S6, S7, S8,
// is double-word alignment though.
def DPR : RegisterClass<"ARM", [f64, v8i8, v4i16, v2i32, v1i64, v2f32], 64,
[D0, D1, D2, D3, D4, D5, D6, D7,
D8, D9, D10, D11, D12, D13, D14, D15]> {
D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31]> {
let SubRegClassList = [SPR, SPR];
let MethodProtos = [{
iterator allocation_order_begin(const MachineFunction &MF) const;

108
test/CodeGen/ARM/2009-07-29-VFP3Registers.ll Normal file
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@ -0,0 +1,108 @@
; RUN: llvm-as < %s | llc -mtriple=armv7-apple-darwin10 -mattr=+vfp3
@a = external global double ; <double*> [#uses=1]
declare double @llvm.exp.f64(double) nounwind readonly
define arm_apcscc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind {
entry:
br label %bb
bb: ; preds = %bb, %entry
br i1 undef, label %bb28, label %bb
bb28: ; preds = %bb
%0 = load double* @a, align 4 ; <double> [#uses=2]
%1 = fadd double %0, undef ; <double> [#uses=2]
br i1 undef, label %bb59, label %bb60
bb59: ; preds = %bb28
%2 = fsub double -0.000000e+00, undef ; <double> [#uses=2]
br label %bb61
bb60: ; preds = %bb28
%3 = tail call double @llvm.exp.f64(double undef) nounwind ; <double> [#uses=1]
%4 = fsub double -0.000000e+00, %3 ; <double> [#uses=2]
%5 = fsub double -0.000000e+00, undef ; <double> [#uses=1]
%6 = fsub double -0.000000e+00, undef ; <double> [#uses=1]
br label %bb61
bb61: ; preds = %bb60, %bb59
%.pn201 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn111 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn452 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn85 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn238 = phi double [ 0.000000e+00, %bb59 ], [ 0.000000e+00, %bb60 ] ; <double> [#uses=1]
%.pn39 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn230 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn228 = phi double [ 0.000000e+00, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn224 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn222 = phi double [ 0.000000e+00, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn218 = phi double [ %2, %bb59 ], [ %4, %bb60 ] ; <double> [#uses=1]
%.pn214 = phi double [ 0.000000e+00, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn212 = phi double [ %2, %bb59 ], [ %4, %bb60 ] ; <double> [#uses=1]
%.pn213 = phi double [ undef, %bb59 ], [ undef, %bb60 ] ; <double> [#uses=1]
%.pn210 = phi double [ undef, %bb59 ], [ %5, %bb60 ] ; <double> [#uses=1]
%.pn202 = phi double [ undef, %bb59 ], [ %6, %bb60 ] ; <double> [#uses=0]
%.pn390 = fdiv double %.pn452, undef ; <double> [#uses=0]
%.pn145 = fdiv double %.pn238, %1 ; <double> [#uses=0]
%.pn138 = fdiv double %.pn230, undef ; <double> [#uses=1]
%.pn139 = fdiv double %.pn228, undef ; <double> [#uses=1]
%.pn134 = fdiv double %.pn224, %0 ; <double> [#uses=1]
%.pn135 = fdiv double %.pn222, %1 ; <double> [#uses=1]
%.pn133 = fdiv double %.pn218, undef ; <double> [#uses=0]
%.pn128 = fdiv double %.pn214, undef ; <double> [#uses=1]
%.pn129 = fdiv double %.pn212, %.pn213 ; <double> [#uses=1]
%.pn126 = fdiv double %.pn210, undef ; <double> [#uses=0]
%.pn54.in = fmul double undef, %.pn201 ; <double> [#uses=1]
%.pn42.in = fmul double undef, undef ; <double> [#uses=1]
%.pn76 = fsub double %.pn138, %.pn139 ; <double> [#uses=1]
%.pn74 = fsub double %.pn134, %.pn135 ; <double> [#uses=1]
%.pn70 = fsub double %.pn128, %.pn129 ; <double> [#uses=1]
%.pn54 = fdiv double %.pn54.in, 6.000000e+00 ; <double> [#uses=1]
%.pn64 = fmul double undef, 0x3FE5555555555555 ; <double> [#uses=1]
%.pn65 = fmul double undef, undef ; <double> [#uses=1]
%.pn50 = fmul double undef, %.pn111 ; <double> [#uses=0]
%.pn42 = fdiv double %.pn42.in, 6.000000e+00 ; <double> [#uses=1]
%.pn40 = fmul double undef, %.pn85 ; <double> [#uses=0]
%.pn56 = fadd double %.pn76, undef ; <double> [#uses=1]
%.pn57 = fmul double %.pn74, undef ; <double> [#uses=1]
%.pn36 = fadd double undef, undef ; <double> [#uses=1]
%.pn37 = fmul double %.pn70, undef ; <double> [#uses=1]
%.pn33 = fmul double undef, 0x3FC5555555555555 ; <double> [#uses=1]
%.pn29 = fsub double %.pn64, %.pn65 ; <double> [#uses=1]
%.pn21 = fadd double undef, undef ; <double> [#uses=1]
%.pn27 = fmul double undef, 0x3FC5555555555555 ; <double> [#uses=1]
%.pn11 = fadd double %.pn56, %.pn57 ; <double> [#uses=1]
%.pn32 = fmul double %.pn54, undef ; <double> [#uses=1]
%.pn26 = fmul double %.pn42, undef ; <double> [#uses=1]
%.pn15 = fmul double 0.000000e+00, %.pn39 ; <double> [#uses=1]
%.pn7 = fadd double %.pn36, %.pn37 ; <double> [#uses=1]
%.pn30 = fsub double %.pn32, %.pn33 ; <double> [#uses=1]
%.pn28 = fadd double %.pn30, 0.000000e+00 ; <double> [#uses=1]
%.pn24 = fsub double %.pn28, %.pn29 ; <double> [#uses=1]
%.pn22 = fsub double %.pn26, %.pn27 ; <double> [#uses=1]
%.pn20 = fadd double %.pn24, undef ; <double> [#uses=1]
%.pn18 = fadd double %.pn22, 0.000000e+00 ; <double> [#uses=1]
%.pn16 = fsub double %.pn20, %.pn21 ; <double> [#uses=1]
%.pn14 = fsub double %.pn18, undef ; <double> [#uses=1]
%.pn12 = fadd double %.pn16, undef ; <double> [#uses=1]
%.pn10 = fadd double %.pn14, %.pn15 ; <double> [#uses=1]
%.pn8 = fsub double %.pn12, undef ; <double> [#uses=1]
%.pn6 = fsub double %.pn10, %.pn11 ; <double> [#uses=1]
%.pn4 = fadd double %.pn8, undef ; <double> [#uses=1]
%.pn2 = fadd double %.pn6, %.pn7 ; <double> [#uses=1]
%N1.0 = fsub double %.pn4, undef ; <double> [#uses=1]
%D1.0 = fsub double %.pn2, undef ; <double> [#uses=2]
br i1 undef, label %bb62, label %bb64
bb62: ; preds = %bb61
%7 = fadd double %D1.0, undef ; <double> [#uses=1]
br label %bb64
bb64: ; preds = %bb62, %bb61
%.pn = phi double [ undef, %bb62 ], [ %N1.0, %bb61 ] ; <double> [#uses=1]
%.pn1 = phi double [ %7, %bb62 ], [ %D1.0, %bb61 ] ; <double> [#uses=1]
%x.1 = fdiv double %.pn, %.pn1 ; <double> [#uses=0]
ret void
}