derek.holloway
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100 lines
3.9 KiB
LLVM
100 lines
3.9 KiB
LLVM
; This test verifies whether a stable function is encoded into the __llvm_merge section
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; when the -codegen-data-generate flag is used under -enable-global-merge-func=true.
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; RUN: rm -rf %t; split-file %s %t
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; RUN: opt -module-summary -module-hash %t/foo.ll -o %t-foo.bc
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; RUN: opt -module-summary -module-hash %t/goo.ll -o %t-goo.bc
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; RUN: llvm-lto2 run -enable-global-merge-func=true -codegen-data-generate=false %t-foo.bc %t-goo.bc -o %tout-nowrite \
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; RUN: -r %t-foo.bc,_f1,px \
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; RUN: -r %t-goo.bc,_f2,px \
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; RUN: -r %t-foo.bc,_g,l -r %t-foo.bc,_g1,l -r %t-foo.bc,_g2,l \
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; RUN: -r %t-goo.bc,_g,l -r %t-goo.bc,_g1,l -r %t-goo.bc,_g2,l
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; RUN: llvm-nm %tout-nowrite.1 | FileCheck %s --check-prefix=NOWRITE
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; RUN: llvm-nm %tout-nowrite.2 | FileCheck %s --check-prefix=NOWRITE
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; No merge instance is locally created as each module has a singltone function.
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; NOWRITE-NOT: _f1.Tgm
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; NOWRITE-NOT: _f2.Tgm
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; RUN: llvm-lto2 run -enable-global-merge-func=true -codegen-data-generate=true %t-foo.bc %t-goo.bc -o %tout-nowrite \
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; RUN: -r %t-foo.bc,_f1,px \
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; RUN: -r %t-goo.bc,_f2,px \
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; RUN: -r %t-foo.bc,_g,l -r %t-foo.bc,_g1,l -r %t-foo.bc,_g2,l \
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; RUN: -r %t-goo.bc,_g,l -r %t-goo.bc,_g1,l -r %t-goo.bc,_g2,l
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; RUN: llvm-nm %tout-nowrite.1 | FileCheck %s --check-prefix=WRITE
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; RUN: llvm-nm %tout-nowrite.2 | FileCheck %s --check-prefix=WRITE
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; RUN: llvm-objdump -h %tout-nowrite.1 | FileCheck %s --check-prefix=SECTNAME
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; RUN: llvm-objdump -h %tout-nowrite.2 | FileCheck %s --check-prefix=SECTNAME
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; On a write mode, no merging happens yet for each module.
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; We only create stable functions and publish them into __llvm_merge section for each object.
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; WRITE-NOT: _f1.Tgm
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; WRITE-NOT: _f2.Tgm
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; SECTNAME: __llvm_merge
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; Merge the cgdata using llvm-cgdata.
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; We now validate the content of the merged cgdata.
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; Two functions have the same hash with only one different constant at the same location.
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; RUN: llvm-cgdata --merge -o %tout.cgdata %tout-nowrite.1 %tout-nowrite.2
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; RUN: llvm-cgdata --convert %tout.cgdata -o - | FileCheck %s
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; RUN: llvm-cgdata --merge -o %tout-lazy.cgdata %tout-nowrite.1 %tout-nowrite.2 -indexed-codegen-data-lazy-loading
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; RUN: llvm-cgdata --convert %tout-lazy.cgdata -indexed-codegen-data-lazy-loading -o - | FileCheck %s
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; CHECK: - Hash: [[#%d,HASH:]]
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; CHECK-NEXT: FunctionName: f1
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; CHECK-NEXT: ModuleName: {{.*}}
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; CHECK-NEXT: InstCount: [[#%d,INSTCOUNT:]]
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; CHECK-NEXT: IndexOperandHashes:
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; CHECK-NEXT: - InstIndex: [[#%d,INSTINDEX:]]
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; CHECK-NEXT: OpndIndex: [[#%d,OPNDINDEX:]]
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; CHECK-NEXT: OpndHash: {{.*}}
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; CHECK: - Hash: [[#%d,HASH]]
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; CHECK-NEXT: FunctionName: f2
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; CHECK-NEXT: ModuleName: {{.*}}
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; CHECK-NEXT: InstCount: [[#%d,INSTCOUNT]]
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; CHECK-NEXT: IndexOperandHashes:
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; CHECK-NEXT: - InstIndex: [[#%d,INSTINDEX]]
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; CHECK-NEXT: OpndIndex: [[#%d,OPNDINDEX]]
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; CHECK-NEXT: OpndHash: {{.*}}
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;--- foo.ll
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-unknown-ios12.0.0"
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@g = external local_unnamed_addr global [0 x i32], align 4
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@g1 = external global i32, align 4
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@g2 = external global i32, align 4
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define i32 @f1(i32 %a) {
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entry:
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%idxprom = sext i32 %a to i64
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%arrayidx = getelementptr inbounds [0 x i32], [0 x i32]* @g, i64 0, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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%1 = load volatile i32, i32* @g1, align 4
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%mul = mul nsw i32 %1, %0
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%add = add nsw i32 %mul, 1
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ret i32 %add
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}
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;--- goo.ll
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-unknown-ios12.0.0"
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@g = external local_unnamed_addr global [0 x i32], align 4
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@g1 = external global i32, align 4
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@g2 = external global i32, align 4
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define i32 @f2(i32 %a) {
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entry:
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%idxprom = sext i32 %a to i64
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%arrayidx = getelementptr inbounds [0 x i32], [0 x i32]* @g, i64 0, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4
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%1 = load volatile i32, i32* @g2, align 4
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%mul = mul nsw i32 %1, %0
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%add = add nsw i32 %mul, 1
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ret i32 %add
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}
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