Vendor import of llvm-project main 8e464dd76bef, the last commit beforevendor/llvm-project/llvmorg-12-init-17869-g8e464dd76bef

the upstream release/12.x branch was created.

1 files changed, 7 insertions, 21 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCCallingConv.td b/llvm/lib/Target/PowerPC/PPCCallingConv.td
index 1eaa7f7a44b3..cc3486718179 100644
--- a/llvm/lib/Target/PowerPC/PPCCallingConv.td
+++ b/llvm/lib/Target/PowerPC/PPCCallingConv.td
@@ -59,10 +59,7 @@ def RetCC_PPC_Cold : CallingConv<[
 
   CCIfType<[f32], CCAssignToReg<[F1]>>,
   CCIfType<[f64], CCAssignToReg<[F1]>>,
-  CCIfType<[f128], CCIfSubtarget<"hasP9Vector()", CCAssignToReg<[V2]>>>,
-
-  CCIfType<[v4f64, v4f32, v4i1],
-           CCIfSubtarget<"hasQPX()", CCAssignToReg<[QF1]>>>,
+  CCIfType<[f128], CCIfSubtarget<"hasAltivec()", CCAssignToReg<[V2]>>>,
 
   CCIfType<[v16i8, v8i16, v4i32, v2i64, v1i128, v4f32, v2f64],
            CCIfSubtarget<"hasAltivec()",
@@ -95,13 +92,9 @@ def RetCC_PPC : CallingConv<[
 
   // For P9, f128 are passed in vector registers.
   CCIfType<[f128],
-           CCIfSubtarget<"hasP9Vector()",
+           CCIfSubtarget<"hasAltivec()",
            CCAssignToReg<[V2, V3, V4, V5, V6, V7, V8, V9]>>>,
 
-  // QPX vectors are returned in QF1 and QF2. 
-  CCIfType<[v4f64, v4f32, v4i1],
-           CCIfSubtarget<"hasQPX()", CCAssignToReg<[QF1, QF2]>>>,
- 
   // Vector types returned as "direct" go into V2 .. V9; note that only the
   // ELFv2 ABI fully utilizes all these registers.
   CCIfType<[v16i8, v8i16, v4i32, v2i64, v1i128, v4f32, v2f64],
@@ -156,10 +149,8 @@ def RetCC_PPC64_ELF_FIS : CallingConv<[
   CCIfType<[f32],  CCAssignToReg<[F1, F2, F3, F4, F5, F6, F7, F8]>>,
   CCIfType<[f64],  CCAssignToReg<[F1, F2, F3, F4, F5, F6, F7, F8]>>,
   CCIfType<[f128],
-           CCIfSubtarget<"hasP9Vector()",
+           CCIfSubtarget<"hasAltivec()",
            CCAssignToReg<[V2, V3, V4, V5, V6, V7, V8, V9]>>>,
-  CCIfType<[v4f64, v4f32, v4i1],
-           CCIfSubtarget<"hasQPX()", CCAssignToReg<[QF1, QF2]>>>,
   CCIfType<[v16i8, v8i16, v4i32, v2i64, v1i128, v4f32, v2f64],
            CCIfSubtarget<"hasAltivec()",
            CCAssignToReg<[V2, V3, V4, V5, V6, V7, V8, V9]>>>
@@ -223,12 +214,9 @@ def CC_PPC32_SVR4_Common : CallingConv<[
   CCIfType<[f32], CCIfSubtarget<"hasSPE()", CCAssignToStack<4, 4>>>,
   CCIfType<[f64], CCIfSubtarget<"hasSPE()", CCAssignToStack<8, 8>>>,
 
-  // QPX vectors that are stored in double precision need 32-byte alignment.
-  CCIfType<[v4f64, v4i1], CCAssignToStack<32, 32>>,
-
   // Vectors and float128 get 16-byte stack slots that are 16-byte aligned.
   CCIfType<[v16i8, v8i16, v4i32, v4f32, v2f64, v2i64], CCAssignToStack<16, 16>>,
-  CCIfType<[f128], CCIfSubtarget<"hasP9Vector()", CCAssignToStack<16, 16>>>
+  CCIfType<[f128], CCIfSubtarget<"hasAltivec()", CCAssignToStack<16, 16>>>
 ]>;
 
 // This calling convention puts vector arguments always on the stack. It is used
@@ -243,10 +231,6 @@ def CC_PPC32_SVR4_VarArg : CallingConv<[
 // put vector arguments in vector registers before putting them on the stack.
 let Entry = 1 in
 def CC_PPC32_SVR4 : CallingConv<[
-  // QPX vectors mirror the scalar FP convention.
-  CCIfType<[v4f64, v4f32, v4i1], CCIfSubtarget<"hasQPX()",
-    CCAssignToReg<[QF1, QF2, QF3, QF4, QF5, QF6, QF7, QF8]>>>,
-
   // The first 12 Vector arguments are passed in AltiVec registers.
   CCIfType<[v16i8, v8i16, v4i32, v2i64, v1i128, v4f32, v2f64],
            CCIfSubtarget<"hasAltivec()", CCAssignToReg<[V2, V3, V4, V5, V6, V7,
@@ -254,7 +238,7 @@ def CC_PPC32_SVR4 : CallingConv<[
 
   // Float128 types treated as vector arguments.
   CCIfType<[f128],
-           CCIfSubtarget<"hasP9Vector()", CCAssignToReg<[V2, V3, V4, V5, V6, V7,
+           CCIfSubtarget<"hasAltivec()", CCAssignToReg<[V2, V3, V4, V5, V6, V7,
                           V8, V9, V10, V11, V12, V13]>>>,
            
   CCDelegateTo<CC_PPC32_SVR4_Common>
@@ -307,6 +291,8 @@ def CSR_AIX32 : CalleeSavedRegs<(add R13, R14, R15, R16, R17, R18, R19, R20,
                                      F27, F28, F29, F30, F31, CR2, CR3, CR4
                                 )>;
 
+def CSR_AIX32_Altivec : CalleeSavedRegs<(add CSR_AIX32, CSR_Altivec)>;
+
 // Common CalleeSavedRegs for SVR4 and AIX.
 def CSR_PPC64   : CalleeSavedRegs<(add X14, X15, X16, X17, X18, X19, X20,
                                         X21, X22, X23, X24, X25, X26, X27, X28,