Add VFP3 D registers to the DPR register class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77521 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMRegisterInfo.td b/lib/Target/ARM/ARMRegisterInfo.td
index 444d0383f46de89d632220aab7c7f89a1cd6c789..89ffed16b9f0297b2f7c5a5b30439c2e6ae2ec63 100644 (file)
--- a/lib/Target/ARM/ARMRegisterInfo.td
+++ b/lib/Target/ARM/ARMRegisterInfo.td
@@ -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;

diff --git a/test/CodeGen/ARM/2009-07-29-VFP3Registers.ll b/test/CodeGen/ARM/2009-07-29-VFP3Registers.ll
new file mode 100644 (file)
index 0000000..dc1f73a
--- /dev/null
+++ b/test/CodeGen/ARM/2009-07-29-VFP3Registers.ll
@@ -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
+}