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122 lines
2.9 KiB
122 lines
2.9 KiB
4 months ago
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# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o - %s | FileCheck %s
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# This test ensures that the MIR parser parses the block address operands
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# correctly.
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--- |
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@addr = global i8* null
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define void @test() {
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entry:
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store volatile i8* blockaddress(@test, %block), i8** @addr
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%val = load volatile i8*, i8** @addr
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indirectbr i8* %val, [label %block]
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block:
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ret void
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}
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define void @test2() {
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entry:
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store volatile i8* blockaddress(@test2, %"quoted block"), i8** @addr
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%val = load volatile i8*, i8** @addr
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indirectbr i8* %val, [label %"quoted block"]
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"quoted block":
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ret void
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}
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define void @slot_in_other_function(i8** %addr) {
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entry:
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store volatile i8* blockaddress(@test3, %0), i8** %addr
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ret void
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}
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define void @test3() {
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entry:
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store volatile i8* blockaddress(@test3, %0), i8** @addr
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%val = load volatile i8*, i8** @addr
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indirectbr i8* %val, [label %0]
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ret void
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}
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define void @test4() {
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entry:
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store volatile i8* blockaddress(@test4, %block), i8** @addr
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%val = load volatile i8*, i8** @addr
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indirectbr i8* %val, [label %block]
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block:
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ret void
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}
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...
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---
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name: test
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body: |
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bb.0.entry:
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successors: %bb.1.block
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; CHECK: %rax = LEA64r %rip, 1, _, blockaddress(@test, %ir-block.block), _
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%rax = LEA64r %rip, 1, _, blockaddress(@test, %ir-block.block), _
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MOV64mr %rip, 1, _, @addr, _, killed %rax
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JMP64m %rip, 1, _, @addr, _
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bb.1.block (address-taken):
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RETQ
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...
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---
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name: test2
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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successors: %bb.1
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; CHECK: %rax = LEA64r %rip, 1, _, blockaddress(@test2, %ir-block."quoted block"), _
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%rax = LEA64r %rip, 1, _, blockaddress(@test2, %ir-block."quoted block"), _
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MOV64mr %rip, 1, _, @addr, _, killed %rax
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JMP64m %rip, 1, _, @addr, _
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bb.1 (address-taken):
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RETQ
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...
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---
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name: slot_in_other_function
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: %rdi
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; CHECK-LABEL: name: slot_in_other_function
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; CHECK: %rax = LEA64r %rip, 1, _, blockaddress(@test3, %ir-block.0), _
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%rax = LEA64r %rip, 1, _, blockaddress(@test3, %ir-block.0), _
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MOV64mr killed %rdi, 1, _, 0, _, killed %rax
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RETQ
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...
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---
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name: test3
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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successors: %bb.1
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; CHECK-LABEL: name: test3
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; CHECK: %rax = LEA64r %rip, 1, _, blockaddress(@test3, %ir-block.0), _
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%rax = LEA64r %rip, 1, _, blockaddress(@test3, %ir-block.0), _
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MOV64mr %rip, 1, _, @addr, _, killed %rax
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JMP64m %rip, 1, _, @addr, _
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bb.1 (address-taken):
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RETQ
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...
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---
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name: test4
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body: |
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bb.0.entry:
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successors: %bb.1.block
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; CHECK: %rax = LEA64r %rip, 1, _, blockaddress(@test, %ir-block.block) + 2, _
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%rax = LEA64r %rip, 1, _, blockaddress(@test, %ir-block.block) + 2, _
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MOV64mr %rip, 1, _, @addr, _, killed %rax
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JMP64m %rip, 1, _, @addr, _
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bb.1.block (address-taken):
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RETQ
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...
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