38 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=aarch64-apple-darwin            -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -verify-machineinstrs < %s | FileCheck %s
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; Test that we use the correct register class.
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define i32 @mul_add_imm(i32 %a, i32 %b) {
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; CHECK-LABEL: mul_add_imm
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; CHECK:       orr [[REG:w[0-9]+]], wzr, #0x4
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; CHECK-NEXT:  madd  {{w[0-9]+}}, w0, w1, [[REG]]
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  %1 = mul i32 %a, %b
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  %2 = add i32 %1, 4
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  ret i32 %2
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}
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define i32 @mul_sub_imm1(i32 %a, i32 %b) {
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; CHECK-LABEL: mul_sub_imm1
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; CHECK:       mov [[REG:w[0-9]+]], #4
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; CHECK-NEXT:  msub  {{w[0-9]+}}, w0, w1, [[REG]]
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  %1 = mul i32 %a, %b
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  %2 = sub i32 4, %1
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  ret i32 %2
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}
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; bugpoint reduced test case. This only tests that we pass the MI verifier.
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define void @mul_add_imm2() {
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entry:
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  br label %for.body
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for.body:
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  br i1 undef, label %for.body, label %for.body8
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for.body8:
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  %0 = mul i64 undef, -3
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  %mul1971 = add i64 %0, -3
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  %cmp7 = icmp slt i64 %mul1971, 1390451930000
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  br i1 %cmp7, label %for.body8, label %for.end20
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for.end20:
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  ret void
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}
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