91 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=nvptx -mcpu=sm_20 -O3 | FileCheck %s --check-prefix=OPT
 | |
| ; RUN: llc < %s -march=nvptx -mcpu=sm_20 -O0 | FileCheck %s --check-prefix=NOOPT
 | |
| 
 | |
| ; OPT-LABEL: @mulwide16
 | |
| ; NOOPT-LABEL: @mulwide16
 | |
| define i32 @mulwide16(i16 %a, i16 %b) {
 | |
| ; OPT: mul.wide.s16
 | |
| ; NOOPT: mul.lo.s32
 | |
|   %val0 = sext i16 %a to i32
 | |
|   %val1 = sext i16 %b to i32
 | |
|   %val2 = mul i32 %val0, %val1
 | |
|   ret i32 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwideu16
 | |
| ; NOOPT-LABEL: @mulwideu16
 | |
| define i32 @mulwideu16(i16 %a, i16 %b) {
 | |
| ; OPT: mul.wide.u16
 | |
| ; NOOPT: mul.lo.s32
 | |
|   %val0 = zext i16 %a to i32
 | |
|   %val1 = zext i16 %b to i32
 | |
|   %val2 = mul i32 %val0, %val1
 | |
|   ret i32 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwide8
 | |
| ; NOOPT-LABEL: @mulwide8
 | |
| define i32 @mulwide8(i8 %a, i8 %b) {
 | |
| ; OPT: mul.wide.s16
 | |
| ; NOOPT: mul.lo.s32
 | |
|   %val0 = sext i8 %a to i32
 | |
|   %val1 = sext i8 %b to i32
 | |
|   %val2 = mul i32 %val0, %val1
 | |
|   ret i32 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwideu8
 | |
| ; NOOPT-LABEL: @mulwideu8
 | |
| define i32 @mulwideu8(i8 %a, i8 %b) {
 | |
| ; OPT: mul.wide.u16
 | |
| ; NOOPT: mul.lo.s32
 | |
|   %val0 = zext i8 %a to i32
 | |
|   %val1 = zext i8 %b to i32
 | |
|   %val2 = mul i32 %val0, %val1
 | |
|   ret i32 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwide32
 | |
| ; NOOPT-LABEL: @mulwide32
 | |
| define i64 @mulwide32(i32 %a, i32 %b) {
 | |
| ; OPT: mul.wide.s32
 | |
| ; NOOPT: mul.lo.s64
 | |
|   %val0 = sext i32 %a to i64
 | |
|   %val1 = sext i32 %b to i64
 | |
|   %val2 = mul i64 %val0, %val1
 | |
|   ret i64 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwideu32
 | |
| ; NOOPT-LABEL: @mulwideu32
 | |
| define i64 @mulwideu32(i32 %a, i32 %b) {
 | |
| ; OPT: mul.wide.u32
 | |
| ; NOOPT: mul.lo.s64
 | |
|   %val0 = zext i32 %a to i64
 | |
|   %val1 = zext i32 %b to i64
 | |
|   %val2 = mul i64 %val0, %val1
 | |
|   ret i64 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwideu7
 | |
| ; NOOPT-LABEL: @mulwideu7
 | |
| define i64 @mulwideu7(i7 %a, i7 %b) {
 | |
| ; OPT: mul.wide.u32
 | |
| ; NOOPT: mul.lo.s64
 | |
|   %val0 = zext i7 %a to i64
 | |
|   %val1 = zext i7 %b to i64
 | |
|   %val2 = mul i64 %val0, %val1
 | |
|   ret i64 %val2
 | |
| }
 | |
| 
 | |
| ; OPT-LABEL: @mulwides7
 | |
| ; NOOPT-LABEL: @mulwides7
 | |
| define i64 @mulwides7(i7 %a, i7 %b) {
 | |
| ; OPT: mul.wide.s32
 | |
| ; NOOPT: mul.lo.s64
 | |
|   %val0 = sext i7 %a to i64
 | |
|   %val1 = sext i7 %b to i64
 | |
|   %val2 = mul i64 %val0, %val1
 | |
|   ret i64 %val2
 | |
| }
 |