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23 lines
1000 B
LLVM
23 lines
1000 B
LLVM
;RUN: llc -mtriple=thumbv7-linux-gnueabi < %s | llvm-mc -triple=thumbv7-linux-gnueabi -filetype=obj > %t
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; Two pass decoding needed because llvm-objdump does not respect mapping symbols
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;RUN: llvm-objdump -triple=armv7 -d %t | FileCheck %s --check-prefix=ARM
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;RUN: llvm-objdump -triple=thumbv7 -d %t | FileCheck %s --check-prefix=THUMB
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define hidden i32 @bah(i8* %start) #0 align 2 {
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%1 = ptrtoint i8* %start to i32
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%2 = tail call i32 asm sideeffect "@ Enter ARM Mode \0A\09adr r3, 1f \0A\09bx r3 \0A\09.align 2 \0A\09.code 32 \0A1: push {r7} \0A\09mov r7, $4 \0A\09svc 0x0 \0A\09pop {r7} \0A\09@ Enter THUMB Mode\0A\09adr r3, 2f+1 \0A\09bx r3 \0A\09.code 16 \0A2: \0A\09", "={r0},{r0},{r1},{r2},r,~{r3}"(i32 %1, i32 %1, i32 0, i32 983042) #3
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%3 = add i32 %1, 1
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ret i32 %3
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}
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; ARM: $a
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; ARM-NEXT: 04 70 2d e5 str r7, [sp, #-4]!
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; ARM: $t
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; ARM-NEXT: 48 1c
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; THUMB: $a{{.*}}:
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; THUMB-NEXT: 04 70
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; THUMB-NEXT: 2d e5
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; THUMB: $t{{.*}}:
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; THUMB-NEXT: 48 1c adds r0, r1, #1
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