128 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -fast-isel -fast-isel-abort=1 -verify-machineinstrs -march=x86 -mattr=sse2 -no-integrated-as
 | |
| ; RUN: llc < %s -fast-isel -fast-isel-abort=1 -verify-machineinstrs -mtriple=x86_64-apple-darwin10 -no-integrated-as
 | |
| 
 | |
| ; This tests very minimal fast-isel functionality.
 | |
| 
 | |
| define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
 | |
| entry:
 | |
|   %r = load i32, i32* %p
 | |
|   %s = load i32, i32* %q
 | |
|   %y = load i32*, i32** %z
 | |
|   br label %fast
 | |
| 
 | |
| fast:
 | |
|   %t0 = add i32 %r, %s
 | |
|   %t1 = mul i32 %t0, %s
 | |
|   %t2 = sub i32 %t1, %s
 | |
|   %t3 = and i32 %t2, %s
 | |
|   %t4 = xor i32 %t3, 3
 | |
|   %t5 = xor i32 %t4, %s
 | |
|   %t6 = add i32 %t5, 2
 | |
|   %t7 = getelementptr i32, i32* %y, i32 1
 | |
|   %t8 = getelementptr i32, i32* %t7, i32 %t6
 | |
|   call void asm sideeffect "hello world", ""()
 | |
|   br label %exit
 | |
| 
 | |
| exit:
 | |
|   ret i32* %t8
 | |
| }
 | |
| 
 | |
| define void @bar(double* %p, double* %q) nounwind {
 | |
| entry:
 | |
|   %r = load double, double* %p
 | |
|   %s = load double, double* %q
 | |
|   br label %fast
 | |
| 
 | |
| fast:
 | |
|   %t0 = fadd double %r, %s
 | |
|   %t1 = fmul double %t0, %s
 | |
|   %t2 = fsub double %t1, %s
 | |
|   %t3 = fadd double %t2, 707.0
 | |
|   br label %exit
 | |
| 
 | |
| exit:
 | |
|   store double %t3, double* %q
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| define i32 @cast() nounwind {
 | |
| entry:
 | |
| 	%tmp2 = bitcast i32 0 to i32
 | |
| 	ret i32 %tmp2
 | |
| }
 | |
| 
 | |
| define void @ptrtoint_i1(i8* %p, i1* %q) nounwind {
 | |
|   %t = ptrtoint i8* %p to i1
 | |
|   store i1 %t, i1* %q
 | |
|   ret void
 | |
| }
 | |
| define i8* @inttoptr_i1(i1 %p) nounwind {
 | |
|   %t = inttoptr i1 %p to i8*
 | |
|   ret i8* %t
 | |
| }
 | |
| define i32 @ptrtoint_i32(i8* %p) nounwind {
 | |
|   %t = ptrtoint i8* %p to i32
 | |
|   ret i32 %t
 | |
| }
 | |
| define i8* @inttoptr_i32(i32 %p) nounwind {
 | |
|   %t = inttoptr i32 %p to i8*
 | |
|   ret i8* %t
 | |
| }
 | |
| 
 | |
| define void @trunc_i32_i8(i32 %x, i8* %p) nounwind  {
 | |
| 	%tmp1 = trunc i32 %x to i8
 | |
| 	store i8 %tmp1, i8* %p
 | |
| 	ret void
 | |
| }
 | |
| 
 | |
| define void @trunc_i16_i8(i16 signext %x, i8* %p) nounwind  {
 | |
| 	%tmp1 = trunc i16 %x to i8
 | |
| 	store i8 %tmp1, i8* %p
 | |
| 	ret void
 | |
| }
 | |
| 
 | |
| define void @shl_i8(i8 %a, i8 %c, i8* %p) nounwind {
 | |
|   %tmp = shl i8 %a, %c
 | |
|   store i8 %tmp, i8* %p
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| define void @mul_i8(i8 %a, i8* %p) nounwind {
 | |
|   %tmp = mul i8 %a, 17
 | |
|   store i8 %tmp, i8* %p
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| define void @load_store_i1(i1* %p, i1* %q) nounwind {
 | |
|   %t = load i1, i1* %p
 | |
|   store i1 %t, i1* %q
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| @crash_test1x = external global <2 x i32>, align 8
 | |
| 
 | |
| define void @crash_test1() nounwind ssp {
 | |
|   %tmp = load <2 x i32>, <2 x i32>* @crash_test1x, align 8
 | |
|   %neg = xor <2 x i32> %tmp, <i32 -1, i32 -1>
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
 | |
| 
 | |
| define i64* @life() nounwind {
 | |
|   %a1 = alloca i64*, align 8
 | |
|   %a2 = bitcast i64** %a1 to i8*
 | |
|   call void @llvm.lifetime.start(i64 -1, i8* %a2) nounwind      
 | |
|   %a3 = load i64*, i64** %a1, align 8
 | |
|   ret i64* %a3
 | |
| }
 | |
| 
 | |
| declare void @llvm.donothing() readnone
 | |
| 
 | |
| ; CHECK: donada
 | |
| define void @donada() nounwind {
 | |
| entry:
 | |
|   call void @llvm.donothing()
 | |
|   ret void
 | |
| }
 |