73 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | FileCheck %s -check-prefix=X32-Linux
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; RUN: llc < %s -mtriple=x86_64-linux-gnu -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux
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; The HiPE compiler (i.e., the native code compiler of the Erlang/OTP system)
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; adds a custom assembly prologue in order to efficiently manipulate the stack
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; at runtime.
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; Just to prevent the alloca from being optimized away.
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declare void @dummy_use(i32*, i32)
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define {i32, i32} @test_basic(i32 %hp, i32 %p) {
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  ; X32-Linux-LABEL:       test_basic:
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  ; X32-Linux-NOT:   calll inc_stack_0
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  ; X64-Linux-LABEL:       test_basic:
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  ; X64-Linux-NOT:   callq inc_stack_0
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  %mem = alloca i32, i32 10
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  call void @dummy_use (i32* %mem, i32 10)
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  %1 = insertvalue {i32, i32} undef, i32 %hp, 0
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  %2 = insertvalue {i32, i32} %1, i32 %p, 1
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  ret {i32, i32} %1
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}
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define cc 11 {i32, i32} @test_basic_hipecc(i32 %hp, i32 %p) {
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  ; X32-Linux-LABEL:       test_basic_hipecc:
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  ; X32-Linux:       leal -140(%esp), %ebx
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  ; X32-Linux-NEXT:  cmpl 120(%ebp), %ebx
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  ; X32-Linux-NEXT:  jb .LBB1_1
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  ; X32-Linux:       ret
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  ; X32-Linux:       .LBB1_1:
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  ; X32-Linux-NEXT:  calll inc_stack_0
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  ; X64-Linux-LABEL:       test_basic_hipecc:
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  ; X64-Linux:       leaq -184(%rsp), %r14
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  ; X64-Linux-NEXT:  cmpq 120(%rbp), %r14
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  ; X64-Linux-NEXT:  jb .LBB1_1
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  ; X64-Linux:       ret
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  ; X64-Linux:       .LBB1_1:
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  ; X64-Linux-NEXT:  callq inc_stack_0
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  %mem = alloca i32, i32 10
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  call void @dummy_use (i32* %mem, i32 10)
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  %1 = insertvalue {i32, i32} undef, i32 %hp, 0
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  %2 = insertvalue {i32, i32} %1, i32 %p, 1
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  ret {i32, i32} %2
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}
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define cc 11 {i32,i32,i32} @test_nocall_hipecc(i32 %hp,i32 %p,i32 %x,i32 %y) {
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  ; X32-Linux-LABEL:       test_nocall_hipecc:
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  ; X32-Linux-NOT:   calll inc_stack_0
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  ; X64-Linux-LABEL:       test_nocall_hipecc:
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  ; X64-Linux-NOT:   callq inc_stack_0
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  %1 = add i32 %x, %y
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  %2 = mul i32 42, %1
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  %3 = sub i32 24, %2
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  %4 = insertvalue {i32, i32, i32} undef, i32 %hp, 0
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  %5 = insertvalue {i32, i32, i32} %4, i32 %p, 1
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  %6 = insertvalue {i32, i32, i32} %5, i32 %p, 2
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  ret {i32, i32, i32} %6
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}
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!hipe.literals = !{ !0, !1, !2 }
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!0 = !{ !"P_NSP_LIMIT", i32 120 }
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!1 = !{ !"X86_LEAF_WORDS", i32 24 }
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!2 = !{ !"AMD64_LEAF_WORDS", i32 18 }
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