120 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple armv6-apple-darwin -filetype asm -o - %s | FileCheck %s
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| 
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| define i32 @test1(i32 %x) {
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| ; CHECK-LABEL: test1:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = and i32 %x, 16711935
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|   ret i32 %tmp1
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| }
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| 
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| define i32 @test2(i32 %x) {
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| ; CHECK-LABEL: test2:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #8
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 8
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|   %tmp2 = and i32 %tmp1, 16711935
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|   ret i32 %tmp2
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| }
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| 
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| define i32 @test3(i32 %x) {
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| ; CHECK-LABEL: test3:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #8
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 8
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|   %tmp2 = and i32 %tmp1, 16711935
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|   ret i32 %tmp2
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| }
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| 
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| define i32 @test4(i32 %x) {
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| ; CHECK-LABEL: test4:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #8
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 8
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|   %tmp6 = and i32 %tmp1, 16711935
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|   ret i32 %tmp6
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| }
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| 
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| define i32 @test5(i32 %x) {
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| ; CHECK-LABEL: test5:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #8
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 8
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|   %tmp2 = and i32 %tmp1, 16711935
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|   ret i32 %tmp2
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| }
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| 
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| define i32 @test6(i32 %x) {
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| ; CHECK-LABEL: test6:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #16
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 16
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|   %tmp2 = and i32 %tmp1, 255
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|   %tmp4 = shl i32 %x, 16
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|   %tmp5 = and i32 %tmp4, 16711680
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|   %tmp6 = or i32 %tmp2, %tmp5
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|   ret i32 %tmp6
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| }
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| 
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| define i32 @test7(i32 %x) {
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| ; CHECK-LABEL: test7:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #16
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 16
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|   %tmp2 = and i32 %tmp1, 255
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|   %tmp4 = shl i32 %x, 16
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|   %tmp5 = and i32 %tmp4, 16711680
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|   %tmp6 = or i32 %tmp2, %tmp5
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|   ret i32 %tmp6
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| }
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| 
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| define i32 @test8(i32 %x) {
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| ; CHECK-LABEL: test8:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #24
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = shl i32 %x, 8
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|   %tmp2 = and i32 %tmp1, 16711680
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|   %tmp5 = lshr i32 %x, 24
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|   %tmp6 = or i32 %tmp2, %tmp5
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|   ret i32 %tmp6
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| }
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| 
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| define i32 @test9(i32 %x) {
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| ; CHECK-LABEL: test9:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    uxtb16 r0, r0, ror #24
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %x, 24
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|   %tmp4 = shl i32 %x, 8
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|   %tmp5 = and i32 %tmp4, 16711680
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|   %tmp6 = or i32 %tmp5, %tmp1
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|   ret i32 %tmp6
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| }
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| 
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| define i32 @test10(i32 %p0) {
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| ; CHECK-LABEL: test10:
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| ; CHECK:       @ %bb.0:
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| ; CHECK-NEXT:    mov r1, #248
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| ; CHECK-NEXT:    orr r1, r1, #16252928
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| ; CHECK-NEXT:    and r0, r1, r0, lsr #7
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| ; CHECK-NEXT:    lsr r1, r0, #5
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| ; CHECK-NEXT:    uxtb16 r1, r1
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| ; CHECK-NEXT:    orr r0, r1, r0
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| ; CHECK-NEXT:    bx lr
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|   %tmp1 = lshr i32 %p0, 7
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|   %tmp2 = and i32 %tmp1, 16253176
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|   %tmp4 = lshr i32 %tmp2, 5
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|   %tmp5 = and i32 %tmp4, 458759
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|   %tmp7 = or i32 %tmp5, %tmp2
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|   ret i32 %tmp7
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| }
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| 
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