27 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
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; RUN: llc -mtriple=arm-eabi -mcpu=swift %s -o - | FileCheck %s
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; CHECK-LABEL: test1:
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; CHECK: ldr {{.*, \[.*]}}, -r2
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; CHECK-NOT: ldr
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define i32 @test1(i32 %a, i32 %b, i32 %c) {
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        %tmp1 = mul i32 %a, %b          ; <i32> [#uses=2]
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        %tmp2 = inttoptr i32 %tmp1 to i32*              ; <i32*> [#uses=1]
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        %tmp3 = load i32, i32* %tmp2         ; <i32> [#uses=1]
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        %tmp4 = sub i32 %tmp1, %c               ; <i32> [#uses=1]
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        %tmp5 = mul i32 %tmp4, %tmp3            ; <i32> [#uses=1]
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        ret i32 %tmp5
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}
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; CHECK-LABEL: test2:
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; CHECK: ldr {{.*, \[.*\]}}, #-16
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; CHECK-NOT: ldr
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define i32 @test2(i32 %a, i32 %b) {
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        %tmp1 = mul i32 %a, %b          ; <i32> [#uses=2]
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        %tmp2 = inttoptr i32 %tmp1 to i32*              ; <i32*> [#uses=1]
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        %tmp3 = load i32, i32* %tmp2         ; <i32> [#uses=1]
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        %tmp4 = sub i32 %tmp1, 16               ; <i32> [#uses=1]
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        %tmp5 = mul i32 %tmp4, %tmp3            ; <i32> [#uses=1]
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        ret i32 %tmp5
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}
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