0d08cb0e70
This change turns the `"nooutline"` attribute into an enum attribute called `nooutline`, and adds an auto-upgrader for bitcode to make the same change to existing IR. This IR attribute disables both the Machine Outliner (enabled at Oz for some targets), and the IR Outliner (disabled by default).
31 lines
1009 B
LLVM
31 lines
1009 B
LLVM
; RUN: opt -S -debug-only=iroutliner -p=iroutliner -ir-outlining-no-cost %s -o - 2>&1 | FileCheck %s
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; REQUIRES: asserts
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; CHECK-NOT: ... Skipping function with nooutline attribute: outlinable
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; CHECK-NOT: @outlined_ir_func
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; CHECK: ... Skipping function with nooutline attribute: nooutline1
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; CHECK: ... Skipping function with nooutline attribute: nooutline2
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define void @outlinable() { ret void }
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define i8 @nooutline1(ptr noalias %s, ptr noalias %d, i64 %len) nooutline {
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%a = load i8, ptr %s
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%b = load i8, ptr %d
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call void @llvm.memcpy.p0.p0.i64(ptr %d, ptr %s, i64 %len, i1 false)
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%c = add i8 %a, %b
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%ret = load i8, ptr %s
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ret i8 %ret
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}
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define i8 @nooutline2(ptr noalias %s, ptr noalias %d, i64 %len) nooutline {
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%a = load i8, ptr %s
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%b = load i8, ptr %d
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call void @llvm.memcpy.p0.p0.i64(ptr %d, ptr %s, i64 %len, i1 false)
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%c = add i8 %a, %b
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%ret = load i8, ptr %s
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ret i8 %ret
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}
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declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)
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