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	convention. Patch by David Terei! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98212 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			87 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -tailcallopt -mtriple=x86_64-linux-gnu | FileCheck %s
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| 
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| ; Check the GHC call convention works (x86-64)
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| 
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| @base  = external global i64 ; assigned to register: R13
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| @sp    = external global i64 ; assigned to register: RBP
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| @hp    = external global i64 ; assigned to register: R12
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| @r1    = external global i64 ; assigned to register: RBX
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| @r2    = external global i64 ; assigned to register: R14
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| @r3    = external global i64 ; assigned to register: RSI
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| @r4    = external global i64 ; assigned to register: RDI
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| @r5    = external global i64 ; assigned to register: R8
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| @r6    = external global i64 ; assigned to register: R9
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| @splim = external global i64 ; assigned to register: R15
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| 
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| @f1 = external global float  ; assigned to register: XMM1
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| @f2 = external global float  ; assigned to register: XMM2
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| @f3 = external global float  ; assigned to register: XMM3
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| @f4 = external global float  ; assigned to register: XMM4
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| @d1 = external global double ; assigned to register: XMM5
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| @d2 = external global double ; assigned to register: XMM6
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| 
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| define void @zap(i64 %a, i64 %b) nounwind {
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| entry:
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|   ; CHECK:      movq %rdi, %r13
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|   ; CHECK-NEXT: movq %rsi, %rbp
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|   ; CHECK-NEXT: callq addtwo
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|   %0 = call cc 10 i64 @addtwo(i64 %a, i64 %b)
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|   ; CHECK:      callq foo
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|   call void @foo() nounwind
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|   ret void
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| }
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| 
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| define cc 10 i64 @addtwo(i64 %x, i64 %y) nounwind {
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| entry:
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|   ; CHECK:      leaq (%r13,%rbp), %rax
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|   %0 = add i64 %x, %y
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|   ; CHECK-NEXT: ret
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|   ret i64 %0
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| }
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| 
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| define cc 10 void @foo() nounwind {
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| entry:
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|   ; CHECK: movq base(%rip), %r13
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|   ; CHECK-NEXT: movq sp(%rip), %rbp
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|   ; CHECK-NEXT: movq hp(%rip), %r12
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|   ; CHECK-NEXT: movq r1(%rip), %rbx
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|   ; CHECK-NEXT: movq r2(%rip), %r14
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|   ; CHECK-NEXT: movq r3(%rip), %rsi
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|   ; CHECK-NEXT: movq r4(%rip), %rdi
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|   ; CHECK-NEXT: movq r5(%rip), %r8
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|   ; CHECK-NEXT: movq r6(%rip), %r9
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|   ; CHECK-NEXT: movq splim(%rip), %r15
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|   ; CHECK-NEXT: movss f1(%rip), %xmm1
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|   ; CHECK-NEXT: movss f2(%rip), %xmm2
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|   ; CHECK-NEXT: movss f3(%rip), %xmm3
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|   ; CHECK-NEXT: movss f4(%rip), %xmm4
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|   ; CHECK-NEXT: movsd d1(%rip), %xmm5
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|   ; CHECK-NEXT: movsd d2(%rip), %xmm6
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|   %0 = load double* @d2
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|   %1 = load double* @d1
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|   %2 = load float* @f4
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|   %3 = load float* @f3
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|   %4 = load float* @f2
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|   %5 = load float* @f1
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|   %6 = load i64* @splim
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|   %7 = load i64* @r6
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|   %8 = load i64* @r5
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|   %9 = load i64* @r4
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|   %10 = load i64* @r3
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|   %11 = load i64* @r2
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|   %12 = load i64* @r1
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|   %13 = load i64* @hp
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|   %14 = load i64* @sp
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|   %15 = load i64* @base
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|   ; CHECK: jmp bar
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|   tail call cc 10 void @bar( i64 %15, i64 %14, i64 %13, i64 %12, i64 %11,
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|                              i64 %10, i64 %9, i64 %8, i64 %7, i64 %6,
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|                              float %5, float %4, float %3, float %2, double %1,
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|                              double %0 ) nounwind
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|   ret void
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| }
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| 
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| declare cc 10 void @bar(i64, i64, i64, i64, i64, i64, i64, i64, i64, i64,
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|                         float, float, float, float, double, double)
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| 
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