| /// Test that -malign-branch* and -mbranches-within-32B-boundaries are parsed and converted to MC options. |
| |
| /// Test -malign-branch-boundary= |
| // RUN: %clang -target x86_64 -malign-branch-boundary=16 %s -c -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY |
| // BOUNDARY: "-mllvm" "-x86-align-branch-boundary=16" |
| // RUN: %clang -target x86_64-unknown-linux -malign-branch-boundary=16 -flto %s -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY-LTO |
| // BOUNDARY-LTO: "-plugin-opt=-x86-align-branch-boundary=16" |
| |
| // RUN: %clang -target x86_64 -malign-branch-boundary=8 %s -c -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY-ERR |
| // RUN: %clang -target x86_64 -malign-branch-boundary=15 %s -c -### 2>&1 | FileCheck %s --check-prefix=BOUNDARY-ERR |
| // BOUNDARY-ERR: invalid argument {{.*}} to -malign-branch-boundary= |
| |
| /// Test -malign-branch= |
| // RUN: %clang -target x86_64 -malign-branch=fused,jcc,jmp %s -c -### %s 2>&1 | FileCheck %s --check-prefix=TYPE0 |
| // TYPE0: "-mllvm" "-x86-align-branch=fused+jcc+jmp" |
| // RUN: %clang -target x86_64 -malign-branch=fused,jcc,jmp,ret,call,indirect %s -c -### %s 2>&1 | FileCheck %s --check-prefix=TYPE1 |
| // TYPE1: "-mllvm" "-x86-align-branch=fused+jcc+jmp+ret+call+indirect" |
| // RUN: %clang -target x86_64-unknown-linux -malign-branch=fused,jcc,jmp -flto %s -### %s 2>&1 | FileCheck %s --check-prefix=TYPE0-LTO |
| // TYPE0-LTO: "-plugin-opt=-x86-align-branch=fused+jcc+jmp" |
| |
| // RUN: %clang -target x86_64 -malign-branch=fused,foo,bar %s -c -### %s 2>&1 | FileCheck %s --check-prefix=TYPE-ERR |
| // TYPE-ERR: invalid argument 'foo' to -malign-branch=; each element must be one of: fused, jcc, jmp, call, ret, indirect |
| // TYPE-ERR: invalid argument 'bar' to -malign-branch=; each element must be one of: fused, jcc, jmp, call, ret, indirect |
| |
| /// Test -mpad-max-prefix-size= |
| // RUN: %clang -target x86_64 -mpad-max-prefix-size=0 %s -c -### 2>&1 | FileCheck %s --check-prefix=PREFIX-0 |
| // PREFIX-0: "-mllvm" "-x86-pad-max-prefix-size=0" |
| // RUN: %clang -target x86_64 -mpad-max-prefix-size=15 %s -c -### 2>&1 | FileCheck %s --check-prefix=PREFIX-15 |
| // PREFIX-15: "-mllvm" "-x86-pad-max-prefix-size=15" |
| // RUN: %clang -target x86_64-unknown-linux -mpad-max-prefix-size=0 -flto %s -### 2>&1 | FileCheck %s --check-prefix=PREFIX-0-LTO |
| // PREFIX-0-LTO: "-plugin-opt=-x86-pad-max-prefix-size=0" |
| |
| /// Test -mbranches-within-32B-boundaries |
| // RUN: %clang -target x86_64 -mbranches-within-32B-boundaries %s -c -### 2>&1 | FileCheck %s --check-prefix=32B |
| // 32B: "-mllvm" "-x86-branches-within-32B-boundaries" |
| // RUN: %clang -target x86_64-unknown-linux -mbranches-within-32B-boundaries -flto %s -### 2>&1 | FileCheck %s --check-prefix=32B-LTO |
| // 32B-LTO: "-plugin-opt=-x86-branches-within-32B-boundaries" |
| |
| /// Unsupported on other targets. |
| // RUN: %clang -target aarch64 -malign-branch=jmp %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s |
| // RUN: %clang -target aarch64 -malign-branch-boundary=7 %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s |
| // RUN: %clang -target aarch64 -mpad-max-prefix-size=15 %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s |
| // RUN: %clang -target aarch64 -mbranches-within-32B-boundaries %s -c -### 2>&1 | FileCheck --check-prefix=UNUSED %s |
| // UNUSED: warning: argument unused |
