llvm-6502/test/CodeGen/MBlaze/svol.ll

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; Ensure that the MBlaze save_volatiles calling convention (cc74) is handled
; correctly correctly by the MBlaze backend.
;
; RUN: llc < %s -march=mblaze | FileCheck %s
@.str = private constant [28 x i8] c"The interrupt has gone off\0A\00"
define cc74 void @mysvol() nounwind noinline {
; CHECK: mysvol:
; CHECK: swi r3, r1
; CHECK: swi r4, r1
; CHECK: swi r5, r1
; CHECK: swi r6, r1
; CHECK: swi r7, r1
; CHECK: swi r8, r1
; CHECK: swi r9, r1
; CHECK: swi r10, r1
; CHECK: swi r11, r1
; CHECK: swi r12, r1
; CHECK: swi r17, r1
; CHECK: swi r18, r1
; CHECK-NOT: mfs r11, rmsr
entry:
%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([28 x i8]* @.str, i32 0, i32 0))
ret void
; CHECK-NOT: mts rmsr, r11
; CHECK: lwi r18, r1
; CHECK: lwi r17, r1
; CHECK: lwi r12, r1
; CHECK: lwi r11, r1
; CHECK: lwi r10, r1
; CHECK: lwi r9, r1
; CHECK: lwi r8, r1
; CHECK: lwi r7, r1
; CHECK: lwi r6, r1
; CHECK: lwi r5, r1
; CHECK: lwi r4, r1
; CHECK: lwi r3, r1
; CHECK: rtsd r15, 8
}
define cc74 void @mysvol2() nounwind noinline {
; CHECK: mysvol2:
; CHECK-NOT: swi r3, r1
; CHECK-NOT: swi r4, r1
; CHECK-NOT: swi r5, r1
; CHECK-NOT: swi r6, r1
; CHECK-NOT: swi r7, r1
; CHECK-NOT: swi r8, r1
; CHECK-NOT: swi r9, r1
; CHECK-NOT: swi r10, r1
; CHECK-NOT: swi r11, r1
; CHECK-NOT: swi r12, r1
; CHECK: swi r17, r1
; CHECK: swi r18, r1
; CHECK-NOT: mfs r11, rmsr
entry:
; CHECK-NOT: mts rmsr, r11
; CHECK: lwi r18, r1
; CHECK: lwi r17, r1
; CHECK-NOT: lwi r12, r1
; CHECK-NOT: lwi r11, r1
; CHECK-NOT: lwi r10, r1
; CHECK-NOT: lwi r9, r1
; CHECK-NOT: lwi r8, r1
; CHECK-NOT: lwi r7, r1
; CHECK-NOT: lwi r6, r1
; CHECK-NOT: lwi r5, r1
; CHECK-NOT: lwi r4, r1
; CHECK-NOT: lwi r3, r1
; CHECK: rtsd r15, 8
ret void
}
; CHECK-NOT: .globl _interrupt_handler
; CHECK-NOT: _interrupt_handler = mysvol
; CHECK-NOT: _interrupt_handler = mysvol2
declare i32 @printf(i8*, ...)