forked from OSchip/llvm-project
36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
; Unknown (e.g. indirect) calls returns conservative results from function propagation
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; RUN: opt -thinlto-bc %s -thin-link-bitcode-file=%t1.thinlink.bc -o %t1.bc
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; RUN: llvm-lto2 run -disable-thinlto-funcattrs=0 %t1.bc -o %t.o -save-temps \
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; RUN: -r %t1.bc,indirect,px -r %t1.bc,inlineasm,px -r %t1.bc,selectcallee,px -r %t1.bc,f, -r %t1.bc,g, -r %t1.bc,global,
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; RUN: llvm-dis -o - %t.o.1.3.import.bc | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-NOT: ; Function Attrs:
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; CHECK: define i32 @indirect(ptr nocapture %0) {
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define i32 @indirect(i32 ()* nocapture) {
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%2 = tail call i32 %0()
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ret i32 %2
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}
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; CHECK-NOT: ; Function Attrs:
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; CHECK: define ptr @inlineasm() {
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define i8* @inlineasm() {
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entry:
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%0 = tail call i8* asm sideeffect "lea ff_h264_cabac_tables(%rip), $0", "=&r,~{dirflag},~{fpsr},~{flags}"()
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ret i8* %0
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}
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; CHECK-NOT: ; Function Attrs:
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; CHECK: define void @selectcallee() {
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define void @selectcallee() {
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; Test calls that aren't handled either as direct or indirect.
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call void select (i1 icmp eq (i32* @global, i32* null), void ()* @f, void ()* @g)()
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ret void
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}
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declare void @f()
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declare void @g()
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@global = extern_weak global i32
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