derek.holloway
7502bf64a4
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70 lines
5.0 KiB
C++
70 lines
5.0 KiB
C++
// RUN: %clang -### -target x86_64 -c -gdwarf -gkey-instructions %s 2>&1 | FileCheck %s --check-prefixes=KEY-INSTRUCTIONS
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// RUN: %clang -### -target x86_64 -c -gdwarf -gno-key-instructions %s 2>&1 | FileCheck %s --check-prefixes=NO-KEY-INSTRUCTIONS
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// RUN: %clang -### -target x86_64 -c -gno-key-instructions %s 2>&1 | FileCheck %s --check-prefixes=NO-DEBUG
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//// Help.
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// RUN %clang --help | FileCheck %s --check-prefix=HELP
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// HELP: -gkey-instructions Enable Key Instructions, which reduces the jumpiness of debug stepping in optimized C/C++ code in some debuggers. DWARF only.
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// KEY-INSTRUCTIONS: "-gkey-instructions"
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// NO-KEY-INSTRUCTIONS-NOT: key-instructions
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// Only expect one dwarf related flag.
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// NO-DEBUG: -fdwarf2-cfi-asm
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// NO-DEBUG-NOT: debug-info-kind
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// NO-DEBUG-NOT: dwarf
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//// Help hidden: flag should not be visible.
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// RUN: %clang --help | FileCheck %s --check-prefix=HELP
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// HELP-NOT: key-instructions
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// Smoke test: check for Key Instructions keywords in the IR.
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void f() {}
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// RUN: %clang_cc1 %s -triple x86_64-linux-gnu -debug-info-kind=line-tables-only -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-OFF
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// SMOKETEST-OFF-NOT: keyInstructions:
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// SMOKETEST-OFF-NOT: atomGroup
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// RUN: %clang_cc1 %s -triple x86_64-linux-gnu -gkey-instructions -debug-info-kind=line-tables-only -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-ON
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// SMOKETEST-ON: keyInstructions: true
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// SMOKETEST-ON: atomGroup: 1
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//// Enable Key Instructions by default if optimisations are enabled and we're
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//// emitting DWARF.
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////
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//// | opt level | -gkey-instructions | feature |
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//// | 0 | no | off |
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//// | 0 | yes | on |
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//// | >=1 | no | on |
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//// | >=1 | yes | on |
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//// | >=1 | no & no -g flags | off |
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//// | >=1 | no & emit codeview | off |
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//
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// RUN: %clang %s -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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// RUN: %clang %s -target x86_64 -gdwarf -gmlt -gkey-instructions -### 2>&1 | FileCheck %s --check-prefix=KEY-INSTRUCTIONS
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// RUN: %clang %s -O0 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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// RUN: %clang %s -O0 -target x86_64 -gdwarf -gmlt -gkey-instructions -### 2>&1 | FileCheck %s --check-prefix=KEY-INSTRUCTIONS
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// RUN: %clang %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=KEY-INSTRUCTIONS
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// RUN: %clang %s -O1 -target x86_64 -gdwarf -gmlt -gkey-instructions -### 2>&1 | FileCheck %s --check-prefix=KEY-INSTRUCTIONS
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// RUN: %clang %s -O1 -target x86_64 -### 2>&1 | FileCheck %s --check-prefixes=NO-KEY-INSTRUCTIONS
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// RUN: %clang %s -O1 -target x86_64 -gcodeview -gmlt -### 2>&1 | FileCheck %s --check-prefixes=NO-KEY-INSTRUCTIONS
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//
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// RUN: %clang %s -target x86_64 -gdwarf -gmlt -S -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-OFF
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// RUN: %clang %s -target x86_64 -gdwarf -gmlt -gkey-instructions -S -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-ON
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// RUN: %clang %s -O0 -target x86_64 -gdwarf -gmlt -S -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-OFF
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// RUN: %clang %s -O0 -target x86_64 -gdwarf -gmlt -gkey-instructions -S -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-ON
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// RUN: %clang %s -O1 -target x86_64 -gdwarf -gmlt -S -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-ON
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// RUN: %clang %s -O1 -target x86_64 -gdwarf -gmlt -gkey-instructions -S -emit-llvm -o - | FileCheck %s --check-prefix=SMOKETEST-ON
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// RUN: %clang %s -O1 -target x86_64 -S -emit-llvm -o - | FileCheck %s --check-prefixes=SMOKETEST-OFF,SMOKETEST-NO-DEBUG
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// RUN: %clang %s -O1 -target x86_64 -gcodeview -gmlt -S -emit-llvm -o - | FileCheck %s --check-prefixes=SMOKETEST-OFF
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// SMOKETEST-NO-DEBUG: llvm.module.flags
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// SMOKETEST-NO-DEBUG-NOT: DICompileUnit
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//// Check only "plain" C/C++ turns on Key Instructions by default.
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// RUN: %clang -x c %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=KEY-INSTRUCTIONS
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// RUN: %clang -x c++ %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=KEY-INSTRUCTIONS
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// RUN: %clang -x cuda -nocudalib -nocudainc %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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// RUN: %clang -x hip -nogpulib -nogpuinc %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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// RUN: %clang -x cl %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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// RUN: %clang -x objective-c %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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// RUN: %clang -x objective-c++ %s -O1 -target x86_64 -gdwarf -gmlt -### 2>&1 | FileCheck %s --check-prefix=NO-KEY-INSTRUCTIONS
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