git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109009
91177308-0d34-0410-b5e6-
96231b3b80d8
CCState &State, bool CanFail) {
static const unsigned HiRegList[] = { ARM::R0, ARM::R2 };
static const unsigned LoRegList[] = { ARM::R1, ARM::R3 };
CCState &State, bool CanFail) {
static const unsigned HiRegList[] = { ARM::R0, ARM::R2 };
static const unsigned LoRegList[] = { ARM::R1, ARM::R3 };
+ static const unsigned ShadowRegList[] = { ARM::R0, ARM::R1 };
- unsigned Reg = State.AllocateReg(HiRegList, LoRegList, 2);
+ unsigned Reg = State.AllocateReg(HiRegList, ShadowRegList, 2);
if (Reg == 0) {
// For the 2nd half of a v2f64, do not just fail.
if (CanFail)
if (Reg == 0) {
// For the 2nd half of a v2f64, do not just fail.
if (CanFail)
if (HiRegList[i] == Reg)
break;
if (HiRegList[i] == Reg)
break;
+ unsigned T = State.AllocateReg(LoRegList[i]);
+ assert(T == LoRegList[i] && "Could not allocate register");
+
State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, Reg, LocVT, LocInfo));
State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, LoRegList[i],
LocVT, LocInfo));
State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, Reg, LocVT, LocInfo));
State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, LoRegList[i],
LocVT, LocInfo));
-; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s -check-prefix=ELF
-; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s -check-prefix=DARWIN
+; RUN: llc < %s -mtriple=arm-linux-gnueabi -mattr=+vfp2 | FileCheck %s -check-prefix=ELF
+; RUN: llc < %s -mtriple=arm-apple-darwin -mattr=+vfp2 | FileCheck %s -check-prefix=DARWIN
-define i32 @f(i32 %a, i64 %b) {
+define i32 @f1(i32 %a, i64 %b) {
+; ELF: f1:
- %tmp = call i32 @g(i64 %b)
+ %tmp = call i32 @g1(i64 %b)
+; test that allocating the double to r2/r3 makes r1 unavailable on gnueabi.
+define i32 @f2() nounwind optsize {
+; ELF: f2:
+; ELF: mov r0, #128
+; ELF: str r0, [sp]
+; DARWIN: f2:
+; DARWIN: mov r3, #128
+entry:
+ %0 = tail call i32 (i32, ...)* @g2(i32 5, double 1.600000e+01, i32 128) nounwind optsize ; <i32> [#uses=1]
+ %not. = icmp ne i32 %0, 128 ; <i1> [#uses=1]
+ %.0 = zext i1 %not. to i32 ; <i32> [#uses=1]
+ ret i32 %.0
+}
+
+declare i32 @g1(i64)
+
+declare i32 @g2(i32 %i, ...)