125 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
 | |
| ; PR5039
 | |
| 
 | |
| define i32 @test1(i32 %x) nounwind {
 | |
|   %and = shl i32 %x, 10
 | |
|   %shl = and i32 %and, 31744
 | |
|   ret i32 %shl
 | |
| ; CHECK-LABEL: test1:
 | |
| ; CHECK: andl $31
 | |
| ; CHECK: shll $10
 | |
| }
 | |
| 
 | |
| define i32 @test2(i32 %x) nounwind {
 | |
|   %or = shl i32 %x, 10
 | |
|   %shl = or i32 %or, 31744
 | |
|   ret i32 %shl
 | |
| ; CHECK-LABEL: test2:
 | |
| ; CHECK: orl $31
 | |
| ; CHECK: shll $10
 | |
| }
 | |
| 
 | |
| define i32 @test3(i32 %x) nounwind {
 | |
|   %xor = shl i32 %x, 10
 | |
|   %shl = xor i32 %xor, 31744
 | |
|   ret i32 %shl
 | |
| ; CHECK-LABEL: test3:
 | |
| ; CHECK: xorl $31
 | |
| ; CHECK: shll $10
 | |
| }
 | |
| 
 | |
| define i64 @test4(i64 %x) nounwind {
 | |
|   %and = shl i64 %x, 40
 | |
|   %shl = and i64 %and, 264982302294016
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test4:
 | |
| ; CHECK: andq $241
 | |
| ; CHECK: shlq $40
 | |
| }
 | |
| 
 | |
| define i64 @test5(i64 %x) nounwind {
 | |
|   %and = shl i64 %x, 40
 | |
|   %shl = and i64 %and, 34084860461056
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test5:
 | |
| ; CHECK: andq $31
 | |
| ; CHECK: shlq $40
 | |
| }
 | |
| 
 | |
| define i64 @test6(i64 %x) nounwind {
 | |
|   %and = shl i64 %x, 32
 | |
|   %shl = and i64 %and, -281474976710656
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test6:
 | |
| ; CHECK: andq $-65536
 | |
| ; CHECK: shlq $32
 | |
| }
 | |
| 
 | |
| define i64 @test7(i64 %x) nounwind {
 | |
|   %or = shl i64 %x, 40
 | |
|   %shl = or i64 %or, 264982302294016
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test7:
 | |
| ; CHECK: orq $241
 | |
| ; CHECK: shlq $40
 | |
| }
 | |
| 
 | |
| define i64 @test8(i64 %x) nounwind {
 | |
|   %or = shl i64 %x, 40
 | |
|   %shl = or i64 %or, 34084860461056
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test8:
 | |
| ; CHECK: orq $31
 | |
| ; CHECK: shlq $40
 | |
| }
 | |
| 
 | |
| define i64 @test9(i64 %x) nounwind {
 | |
|   %xor = shl i64 %x, 40
 | |
|   %shl = xor i64 %xor, 264982302294016
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test9:
 | |
| ; CHECK: orq $241
 | |
| ; CHECK: shlq $40
 | |
| }
 | |
| 
 | |
| define i64 @test10(i64 %x) nounwind {
 | |
|   %xor = shl i64 %x, 40
 | |
|   %shl = xor i64 %xor, 34084860461056
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test10:
 | |
| ; CHECK: xorq $31
 | |
| ; CHECK: shlq $40
 | |
| }
 | |
| 
 | |
| define i64 @test11(i64 %x) nounwind {
 | |
|   %xor = shl i64 %x, 33
 | |
|   %shl = xor i64 %xor, -562949953421312
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test11:
 | |
| ; CHECK: xorq $-65536
 | |
| ; CHECK: shlq $33
 | |
| }
 | |
| 
 | |
| ; PR23098
 | |
| define i32 @test12(i32 %x, i32* %y) nounwind {
 | |
|   %and = shl i32 %x, 1
 | |
|   %shl = and i32 %and, 255
 | |
|   store i32 %shl, i32* %y
 | |
|   ret i32 %shl
 | |
| ; CHECK-LABEL: test12:
 | |
| ; CHECK: andl $127
 | |
| ; CHECK-NEXT: addl
 | |
| ; CHECK-NOT: shl
 | |
| }
 | |
| 
 | |
| define i64 @test13(i64 %x, i64* %y) nounwind {
 | |
|   %and = shl i64 %x, 1
 | |
|   %shl = and i64 %and, 255
 | |
|   store i64 %shl, i64* %y
 | |
|   ret i64 %shl
 | |
| ; CHECK-LABEL: test13:
 | |
| ; CHECK: andq $127
 | |
| ; CHECK-NEXT: addq
 | |
| ; CHECK-NOT: shl
 | |
| }
 |