mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-10-31 08:16:47 +00:00 
			
		
		
		
	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140181 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			55 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=arm -mattr=+v6 | FileCheck %s -check-prefix=V6
 | |
| ; RUN: llc < %s -march=arm | FileCheck %s -check-prefix=V4
 | |
| ; RUN: llc < %s -march=thumb -mcpu=cortex-m3 | FileCheck %s -check-prefix=M3
 | |
| 
 | |
| define i32 @smulhi(i32 %x, i32 %y) nounwind {
 | |
| ; V6: smulhi:
 | |
| ; V6: smmul
 | |
| 
 | |
| ; V4: smulhi:
 | |
| ; V4: smull
 | |
| 
 | |
| ; M3: smulhi:
 | |
| ; M3: smull
 | |
|         %tmp = sext i32 %x to i64               ; <i64> [#uses=1]
 | |
|         %tmp1 = sext i32 %y to i64              ; <i64> [#uses=1]
 | |
|         %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
 | |
|         %tmp3 = lshr i64 %tmp2, 32              ; <i64> [#uses=1]
 | |
|         %tmp3.upgrd.1 = trunc i64 %tmp3 to i32          ; <i32> [#uses=1]
 | |
|         ret i32 %tmp3.upgrd.1
 | |
| }
 | |
| 
 | |
| define i32 @umulhi(i32 %x, i32 %y) nounwind {
 | |
| ; V6: umulhi:
 | |
| ; V6: umull
 | |
| 
 | |
| ; V4: umulhi:
 | |
| ; V4: umull
 | |
| 
 | |
| ; M3: umulhi:
 | |
| ; M3: umull
 | |
|         %tmp = zext i32 %x to i64               ; <i64> [#uses=1]
 | |
|         %tmp1 = zext i32 %y to i64              ; <i64> [#uses=1]
 | |
|         %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
 | |
|         %tmp3 = lshr i64 %tmp2, 32              ; <i64> [#uses=1]
 | |
|         %tmp3.upgrd.2 = trunc i64 %tmp3 to i32          ; <i32> [#uses=1]
 | |
|         ret i32 %tmp3.upgrd.2
 | |
| }
 | |
| 
 | |
| ; rdar://r10152911
 | |
| define i32 @t3(i32 %a) nounwind {
 | |
| ; V6: t3:
 | |
| ; V6: smmla
 | |
| 
 | |
| ; V4: t3:
 | |
| ; V4: smull
 | |
| 
 | |
| ; M3: t3:
 | |
| ; M3-NOT: smmla
 | |
| ; M3: smull
 | |
| entry:
 | |
|   %tmp1 = mul nsw i32 %a, 3
 | |
|   %tmp2 = sdiv i32 %tmp1, 23
 | |
|   ret i32 %tmp2
 | |
| }
 |