llvm-project/clang/test/Driver/arm-target-as-mthumb.s

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ArmAsm

// Make sure -mthumb does not affect assembler triple, but -Wa,-mthumb or
// -Xassembler -mthumb does. Also check that -Wa,-mthumb or -Xassembler -mthumb
// does not affect non assembler files.
// RUN: %clang -target armv7a-linux-gnueabi -### -c -mthumb %s 2>&1 | \
// RUN: FileCheck -check-prefix=TRIPLE-ARM %s
// RUN: %clang -target armv7a-linux-gnueabi -### -c -Wa,-mthumb \
// RUN: %S/Inputs/wildcard1.c 2>&1 | FileCheck -check-prefix=TRIPLE-ARM %s
// TRIPLE-ARM: "-triple" "armv7-unknown-linux-gnueabi"
// RUN: %clang -target armv7a-linux-gnueabi -### -c -Wa,-mthumb %s 2>&1 | \
// RUN: FileCheck -check-prefix=TRIPLE-THUMB %s
// RUN: %clang -target armv7a-linux-gnueabi -### -c -Xassembler -mthumb %s \
// RUN: 2>&1 | FileCheck -check-prefix=TRIPLE-THUMB %s
// TRIPLE-THUMB: "-triple" "thumbv7-unknown-linux-gnueabi"