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Summary: By prepending `.text .thumb .balign 2` to the module-level inline assembly from a Thumb module, the assembler will generate the assembly from that module as Thumb, even if the destination module uses an ARM triple. Similar directives are used for module-level inline assembly in ARM modules. The alignment and instruction set are reset based on the target triple before emitting the first function label. Reviewers: olista01, tejohnson, echristo, t.p.northover, rafael Reviewed By: echristo Subscribers: aemerson, javed.absar, eraman, kristof.beyls, llvm-commits Differential Revision: https://reviews.llvm.org/D34622 llvm-svn: 307772
21 lines
555 B
LLVM
21 lines
555 B
LLVM
; This test checks that proper directives to switch between ARM and Thumb mode
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; are added when linking ARM and Thumb modules.
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; RUN: llvm-as %s -o %t1.bc
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; RUN: llvm-as %p/Inputs/thumb-module-inline-asm.ll -o %t2.bc
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; RUN: llvm-link %t1.bc %t2.bc -S 2> %t3.out | FileCheck %s
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target triple = "armv7-linux-gnueabihf"
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module asm "add r1, r2, r2"
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; CHECK: .text
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; CHECK-NEXT: .balign 4
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; CHECK-NEXT: .arm
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; CHECK-NEXT: add r1, r2, r2
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; CHECK-NEXT: module asm
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; CHECK-NEXT: .text
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; CHECK-NEXT: .balign 2
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; CHECK-NEXT: .thumb
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; CHECK-NEXT: orn r1, r2, r2
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