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48 lines
1009 B
48 lines
1009 B
; RUN: opt -S -mergefunc < %s | FileCheck %s
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; CHECK-LABEL: define i32 @func1
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; CHECK: call i32 @func2
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; CHECK: ret
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; CHECK-LABEL: define i32 @func2
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; CHECK: call i32 @unknown
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; CHECK: ret
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; CHECK-LABEL: define i32 @func4
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; CHECK: call i32 @func2
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; CHECK: ret
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; CHECK-LABEL: define weak i32 @func3_weak
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; CHECK: call i32 @func1
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; CHECK: ret
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define i32 @func1(i32 %x, i32 %y) {
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%sum = add i32 %x, %y
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%sum2 = add i32 %sum, %y
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%sum3 = call i32 @func4(i32 %sum, i32 %sum2)
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ret i32 %sum3
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}
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define i32 @func4(i32 %x, i32 %y) {
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%sum = add i32 %x, %y
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%sum2 = add i32 %sum, %y
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%sum3 = call i32 @unknown(i32 %sum, i32 %sum2)
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ret i32 %sum3
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}
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define weak i32 @func3_weak(i32 %x, i32 %y) {
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%sum = add i32 %x, %y
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%sum2 = add i32 %sum, %y
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%sum3 = call i32 @func2(i32 %sum, i32 %sum2)
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ret i32 %sum3
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}
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define i32 @func2(i32 %x, i32 %y) {
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%sum = add i32 %x, %y
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%sum2 = add i32 %sum, %y
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%sum3 = call i32 @unknown(i32 %sum, i32 %sum2)
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ret i32 %sum3
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}
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declare i32 @unknown(i32 %x, i32 %y)
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