using namespace llvm;
ARMBaseRegisterInfo::ARMBaseRegisterInfo(const ARMSubtarget &sti)
- : ARMGenRegisterInfo(ARM::LR, 0, 0, ARM::PC), STI(sti),
- FramePtr((STI.isTargetMachO() || STI.isThumb()) ? ARM::R7 : ARM::R11),
- BasePtr(ARM::R6) {
+ : ARMGenRegisterInfo(ARM::LR, 0, 0, ARM::PC), STI(sti), BasePtr(ARM::R6) {
+ if (STI.isTargetMachO())
+ FramePtr = ARM::R7;
+ else if (STI.isTargetWindows())
+ FramePtr = ARM::R11;
+ else // ARM EABI
+ FramePtr = STI.isThumb() ? ARM::R7 : ARM::R11;
}
const MCPhysReg*
--- /dev/null
+; RUN: llc -mtriple thumbv7-windows -disable-fp-elim -filetype asm -o - %s \
+; RUN: | FileCheck %s
+
+declare void @callee(i32)
+
+define i32 @calleer(i32 %i) {
+entry:
+ %i.addr = alloca i32, align 4
+ %j = alloca i32, align 4
+ store i32 %i, i32* %i.addr, align 4
+ %0 = load i32* %i.addr, align 4
+ %add = add nsw i32 %0, 1
+ store i32 %add, i32* %j, align 4
+ %1 = load i32* %j, align 4
+ call void @callee(i32 %1)
+ %2 = load i32* %j, align 4
+ %add1 = add nsw i32 %2, 1
+ ret i32 %add1
+}
+
+; CHECK: push.w {r11, lr}
+
--- /dev/null
+; RUN: llc -mtriple arm-eabi -disable-fp-elim -filetype asm -o - %s \
+; RUN: | FileCheck -check-prefix CHECK-ARM %s
+
+; RUN: llc -mtriple thumb-eabi -disable-fp-elim -filetype asm -o - %s \
+; RUN: | FileCheck -check-prefix CHECK-THUMB %s
+
+; RUN: llc -mtriple arm-darwin -disable-fp-elim -filetype asm -o - %s \
+; RUN: | FileCheck -check-prefix CHECK-DARWIN-ARM %s
+
+; RUN: llc -mtriple thumb-darwin -disable-fp-elim -filetype asm -o - %s \
+; RUN: | FileCheck -check-prefix CHECK-DARWIN-THUMB %s
+
+declare void @callee(i32)
+
+define i32 @calleer(i32 %i) {
+entry:
+ %i.addr = alloca i32, align 4
+ %j = alloca i32, align 4
+ store i32 %i, i32* %i.addr, align 4
+ %0 = load i32* %i.addr, align 4
+ %add = add nsw i32 %0, 1
+ store i32 %add, i32* %j, align 4
+ %1 = load i32* %j, align 4
+ call void @callee(i32 %1)
+ %2 = load i32* %j, align 4
+ %add1 = add nsw i32 %2, 1
+ ret i32 %add1
+}
+
+; CHECK-ARM: push {r11, lr}
+; CHECK-ARM: mov r11, sp
+
+; CHECK-THUMB: push {r4, r6, r7, lr}
+; CHECK-THUMB: add r7, sp, #8
+
+; CHECK-DARWIN-ARM: push {r7, lr}
+; CHECK-DARWIN-THUMB: push {r4, r7, lr}
+