forked from OSchip/llvm-project
61 lines
2.1 KiB
LLVM
61 lines
2.1 KiB
LLVM
; RUN: split-file %s %t
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; RUN: opt -thinlto-bc %t/a.ll -thin-link-bitcode-file=%t1.thinlink.bc -o %t1.bc
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; RUN: opt -thinlto-bc %t/b.ll -thin-link-bitcode-file=%t1.thinlink.bc -o %t2.bc
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; RUN: opt -thinlto-bc %t/c.ll -thin-link-bitcode-file=%t1.thinlink.bc -o %t3.bc
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; If the prevailing weak symbol is defined in a native file, the IR copies should be dead and propagation should not occur
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; RUN: llvm-lto2 run -disable-thinlto-funcattrs=0 %t1.bc %t2.bc %t3.bc -o %t.o \
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; RUN: -r %t1.bc,caller,px -r %t1.bc,callee,lx \
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; RUN: -r %t2.bc,callee,x \
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; RUN: -r %t3.bc,callee,x \
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; RUN: -save-temps
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; RUN: llvm-dis -o - %t.o.1.3.import.bc | FileCheck %s
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; If the prevailing weak symbol is in an IR file, it should be the one used in the final binary and thus propagation
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; should be based off of that copy
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; RUN: llvm-lto2 run -O3 -disable-thinlto-funcattrs=0 %t1.bc %t2.bc %t3.bc -o %t.2.o \
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; RUN: -r %t1.bc,caller,px -r %t1.bc,callee,lx \
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; RUN: -r %t2.bc,callee,px \
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; RUN: -r %t3.bc,callee,x \
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; RUN: -save-temps
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; RUN: llvm-dis -o - %t.2.o.1.3.import.bc | FileCheck %s --check-prefix=PREVAILING
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; RUN: llvm-dis -o - %t.2.o.2.3.import.bc | FileCheck %s --check-prefix=PREVAILING-B
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; RUN: llvm-dis -o - %t.2.o.3.3.import.bc | FileCheck %s --check-prefix=PREVAILING-C
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;--- a.ll
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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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declare i32 @callee()
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; CHECK-NOT: Function Attrs:
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; CHECK: define i32 @caller()
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; PREVAILING: Function Attrs: norecurse nounwind
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; PREVAILING-NEXT: define i32 @caller()
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define i32 @caller() {
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%res = call i32 @callee()
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ret i32 %res
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}
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;--- b.ll
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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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; PREVAILING-B: define weak i32 @callee()
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define weak i32 @callee() {
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ret i32 5
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}
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;--- c.ll
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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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; PREVAILING-C: declare i32 @callee()
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define weak i32 @callee() {
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ret i32 6
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}
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