forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			91 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
 | |
| 
 | |
| define i64 @f1() {
 | |
| ; CHECK-LABEL: f1:
 | |
| entry:
 | |
|         ret i64 0
 | |
| }
 | |
| 
 | |
| define i64 @f2() {
 | |
| ; CHECK-LABEL: f2:
 | |
| entry:
 | |
|         ret i64 1
 | |
| }
 | |
| 
 | |
| define i64 @f3() {
 | |
| ; CHECK-LABEL: f3:
 | |
| ; CHECK: mvn r0, #-2147483648
 | |
| entry:
 | |
|         ret i64 2147483647
 | |
| }
 | |
| 
 | |
| define i64 @f4() {
 | |
| ; CHECK-LABEL: f4:
 | |
| ; CHECK: mov r0, #-2147483648
 | |
| entry:
 | |
|         ret i64 2147483648
 | |
| }
 | |
| 
 | |
| define i64 @f5() {
 | |
| ; CHECK-LABEL: f5:
 | |
| ; CHECK: mvn r0, #0
 | |
| ; CHECK: mvn r1, #-2147483648
 | |
| entry:
 | |
|         ret i64 9223372036854775807
 | |
| }
 | |
| 
 | |
| define i64 @f6(i64 %x, i64 %y) {
 | |
| ; CHECK-LABEL: f6:
 | |
| ; CHECK: adds
 | |
| ; CHECK: adc
 | |
| entry:
 | |
|         %tmp1 = add i64 %y, 1           ; <i64> [#uses=1]
 | |
|         ret i64 %tmp1
 | |
| }
 | |
| 
 | |
| define void @f7() {
 | |
| ; CHECK-LABEL: f7:
 | |
| entry:
 | |
|         %tmp = call i64 @f8( )          ; <i64> [#uses=0]
 | |
|         ret void
 | |
| }
 | |
| 
 | |
| declare i64 @f8()
 | |
| 
 | |
| define i64 @f9(i64 %a, i64 %b) {
 | |
| ; CHECK-LABEL: f9:
 | |
| ; CHECK: subs r
 | |
| ; CHECK: sbc
 | |
| entry:
 | |
|         %tmp = sub i64 %a, %b           ; <i64> [#uses=1]
 | |
|         ret i64 %tmp
 | |
| }
 | |
| 
 | |
| define i64 @f(i32 %a, i32 %b) {
 | |
| ; CHECK-LABEL: f:
 | |
| ; CHECK: smull
 | |
| entry:
 | |
|         %tmp = sext i32 %a to i64               ; <i64> [#uses=1]
 | |
|         %tmp1 = sext i32 %b to i64              ; <i64> [#uses=1]
 | |
|         %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
 | |
|         ret i64 %tmp2
 | |
| }
 | |
| 
 | |
| define i64 @g(i32 %a, i32 %b) {
 | |
| ; CHECK-LABEL: g:
 | |
| ; CHECK: umull
 | |
| entry:
 | |
|         %tmp = zext i32 %a to i64               ; <i64> [#uses=1]
 | |
|         %tmp1 = zext i32 %b to i64              ; <i64> [#uses=1]
 | |
|         %tmp2 = mul i64 %tmp1, %tmp             ; <i64> [#uses=1]
 | |
|         ret i64 %tmp2
 | |
| }
 | |
| 
 | |
| define i64 @f10() {
 | |
| ; CHECK-LABEL: f10:
 | |
| entry:
 | |
|         %a = alloca i64, align 8                ; <i64*> [#uses=1]
 | |
|         %retval = load i64* %a          ; <i64> [#uses=1]
 | |
|         ret i64 %retval
 | |
| }
 |