35 lines
1.9 KiB
LLVM
35 lines
1.9 KiB
LLVM
; RUN: llc -mtriple arm-unknown -mattr=-v4t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,NOV4T,ARM
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; RUN: llc -mtriple arm-unknown -mattr=+v4t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,V4T,ARM
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; RUN: llc -mtriple arm-unknown -mattr=+v5t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,V5T,ARM
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; RUN: llc -mtriple thumb-unknown -mattr=+v6t2 -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,THUMB
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define arm_aapcscc void @test_indirect_call(void() *%fptr) {
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; CHECK-LABEL: name: test_indirect_call
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; THUMB: %[[FPTR:[0-9]+]]:gpr(p0) = COPY $r0
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; V5T: %[[FPTR:[0-9]+]]:gpr(p0) = COPY $r0
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; V4T: %[[FPTR:[0-9]+]]:tgpr(p0) = COPY $r0
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; NOV4T: %[[FPTR:[0-9]+]]:tgpr(p0) = COPY $r0
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; CHECK: ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def $sp, implicit $sp
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; THUMB: tBLXr 14, $noreg, %[[FPTR]](p0), csr_aapcs, implicit-def $lr, implicit $sp
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; V5T: BLX %[[FPTR]](p0), csr_aapcs, implicit-def $lr, implicit $sp
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; V4T: BX_CALL %[[FPTR]](p0), csr_aapcs, implicit-def $lr, implicit $sp
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; NOV4T: BMOVPCRX_CALL %[[FPTR]](p0), csr_aapcs, implicit-def $lr, implicit $sp
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; CHECK: ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def $sp, implicit $sp
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entry:
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notail call arm_aapcscc void %fptr()
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ret void
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}
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declare arm_aapcscc void @call_target()
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define arm_aapcscc void @test_direct_call() {
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; CHECK-LABEL: name: test_direct_call
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; CHECK: ADJCALLSTACKDOWN 0, 0, 14, $noreg, implicit-def $sp, implicit $sp
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; THUMB: tBL 14, $noreg, @call_target, csr_aapcs, implicit-def $lr, implicit $sp
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; ARM: BL @call_target, csr_aapcs, implicit-def $lr, implicit $sp
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; CHECK: ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def $sp, implicit $sp
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entry:
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notail call arm_aapcscc void @call_target()
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ret void
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}
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