34 lines
1 KiB
LLVM
34 lines
1 KiB
LLVM
; RUN: llc < %s -mtriple=thumbv6m-none-eabi -relocation-model=static | FileCheck %s -check-prefixes=CHECK
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define void @fn() #0 {
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entry:
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; CHECK-LABEL: fn:
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; CHECK: ldr [[REG:r[0-9]+]], [[LABEL:[^\s]+]]
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; CHECK-NEXT: blx [[REG]]
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; CHECK: [[LABEL]]:
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; CHECK-NEXT: .long bar
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call void @bar()
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ret void
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}
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define void @execute_only_fn() #1 {
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; CHECK-LABEL: execute_only_fn:
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; CHECK: movs [[REG0:r[0-9]+]], :upper8_15:bar
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; CHECK-NEXT: lsls [[REG0]], [[REG0]], #8
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; CHECK-NEXT: adds [[REG0]], :upper0_7:bar
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; CHECK-NEXT: lsls [[REG0]], [[REG0]], #8
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; CHECK-NEXT: adds [[REG0]], :lower8_15:bar
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; CHECK-NEXT: lsls [[REG0]], [[REG0]], #8
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; CHECK-NEXT: adds [[REG0]], :lower0_7:bar
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; CHECK-NEXT: blx [[REG0]]
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; CHECK-NOT: ldr
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entry:
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call void @bar()
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ret void
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}
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attributes #0 = { noinline optnone "target-features"="+thumb-mode,+long-calls" }
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attributes #1 = { noinline optnone "target-features"="+execute-only,+thumb-mode,+long-calls" }
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declare dso_local void @bar()
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