53 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -argpromotion -S | FileCheck %s
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; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
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%struct.ss = type { i32, i64 }
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; Don't drop 'byval' on %X here.
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define internal void @f(%struct.ss* byval %b, i32* byval %X, i32 %i) nounwind {
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; CHECK-LABEL: define internal void @f(
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; CHECK: i32 %[[B0:.*]], i64 %[[B1:.*]], i32* byval %X, i32 %i)
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entry:
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; CHECK: %[[B:.*]] = alloca %struct.ss
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; CHECK: %[[B_GEP0:.*]] = getelementptr %struct.ss, %struct.ss* %[[B]], i32 0, i32 0
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; CHECK: store i32 %[[B0]], i32* %[[B_GEP0]]
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; CHECK: %[[B_GEP1:.*]] = getelementptr %struct.ss, %struct.ss* %[[B]], i32 0, i32 1
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; CHECK: store i64 %[[B1]], i64* %[[B_GEP1]]
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  %tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
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; CHECK: %[[TMP:.*]] = getelementptr %struct.ss, %struct.ss* %[[B]], i32 0, i32 0
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  %tmp1 = load i32, i32* %tmp, align 4
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; CHECK: %[[TMP1:.*]] = load i32, i32* %[[TMP]]
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  %tmp2 = add i32 %tmp1, 1
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; CHECK: %[[TMP2:.*]] = add i32 %[[TMP1]], 1
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  store i32 %tmp2, i32* %tmp, align 4
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; CHECK: store i32 %[[TMP2]], i32* %[[TMP]]
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  store i32 0, i32* %X
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; CHECK: store i32 0, i32* %X
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  ret void
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}
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; Also make sure we don't drop the call zeroext attribute.
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define i32 @test(i32* %X) {
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; CHECK-LABEL: define i32 @test(
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entry:
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  %S = alloca %struct.ss
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; CHECK: %[[S:.*]] = alloca %struct.ss
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  %tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0
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  store i32 1, i32* %tmp1, align 8
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; CHECK: store i32 1
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  %tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1
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  store i64 2, i64* %tmp4, align 4
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; CHECK: store i64 2
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  call void @f( %struct.ss* byval %S, i32* byval %X, i32 zeroext 0)
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; CHECK: %[[S_GEP0:.*]] = getelementptr %struct.ss, %struct.ss* %[[S]], i32 0, i32 0
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; CHECK: %[[S0:.*]] = load i32, i32* %[[S_GEP0]]
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; CHECK: %[[S_GEP1:.*]] = getelementptr %struct.ss, %struct.ss* %[[S]], i32 0, i32 1
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; CHECK: %[[S1:.*]] = load i64, i64* %[[S_GEP1]]
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; CHECK: call void @f(i32 %[[S0]], i64 %[[S1]], i32* byval %X, i32 zeroext 0)
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  ret i32 0
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}
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