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llvm-mirror/test/Transforms/FunctionSpecialization/function-specialization-minsize.ll
2021-06-21 15:21:09 +01:00

40 lines
732 B
LLVM

; RUN: opt -function-specialization -S < %s | FileCheck %s
; CHECK-NOT: @compute.1
; CHECK-NOT: @compute.2
define i64 @main(i64 %x, i1 %flag) {
entry:
br i1 %flag, label %plus, label %minus
plus:
%tmp0 = call i64 @compute(i64 %x, i64 (i64)* @plus)
br label %merge
minus:
%tmp1 = call i64 @compute(i64 %x, i64 (i64)* @minus)
br label %merge
merge:
%tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
ret i64 %tmp2
}
define internal i64 @compute(i64 %x, i64 (i64)* %binop) minsize {
entry:
%tmp0 = call i64 %binop(i64 %x)
ret i64 %tmp0
}
define internal i64 @plus(i64 %x) {
entry:
%tmp0 = add i64 %x, 1
ret i64 %tmp0
}
define internal i64 @minus(i64 %x) {
entry:
%tmp0 = sub i64 %x, 1
ret i64 %tmp0
}