61 lines
1.4 KiB
LLVM
61 lines
1.4 KiB
LLVM
; RUN: opt -function-specialization -func-specialization-avg-iters-cost=3 -func-specialization-size-threshold=10 -S < %s | FileCheck %s
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; CHECK-NOT: foo.{{[0-9]+}}
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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@A = external dso_local constant i32, align 4
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@B = external dso_local constant i32, align 4
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@C = external dso_local constant i32, align 4
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@D = external dso_local constant i32, align 4
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declare i1 @cond_begin()
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declare i1 @cond_end()
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declare i1 @getCond()
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define internal i32 @foo(i32 %x, i32* %b, i32* %c) alwaysinline {
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entry:
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br label %loop.entry
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loop.entry:
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br label %loop2.entry
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loop2.entry:
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br label %loop2.body
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loop2.body:
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%0 = load i32, i32* %b, align 4
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%1 = load i32, i32* %c, align 4
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%add.0 = add nsw i32 %0, %1
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%add = add nsw i32 %add.0, %x
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br label %loop2.end
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loop2.end:
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%cond.end = call i1 @cond_end()
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br i1 %cond.end, label %loop2.entry, label %loop.end
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loop.end:
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%cond2.end = call i1 @getCond()
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br i1 %cond2.end, label %loop.entry, label %return
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return:
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ret i32 %add
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}
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define dso_local i32 @bar(i32 %x, i32 %y) {
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entry:
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%tobool = icmp ne i32 %x, 0
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br i1 %tobool, label %if.then, label %if.else
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if.then:
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%call = call i32 @foo(i32 %x, i32* @A, i32* @C)
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br label %return
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if.else:
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%call1 = call i32 @foo(i32 %y, i32* @B, i32* @D)
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br label %return
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return:
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%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
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ret i32 %retval.0
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} |