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4b2c4a9325
Make sure we preserve info about passed arguments as implicit uses, to make sure later passes still have access to this information. This fixes a mis-compile where the machine-combiner would pick an incorrect free register.
119 lines
4.7 KiB
YAML
119 lines
4.7 KiB
YAML
# RUN: llc -run-pass=aarch64-expand-pseudo -mtriple=arm64-apple-ios -o - -emit-call-site-info %s | FileCheck %s
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--- |
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define void @test_1_callsite_info() {
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ret void
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}
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define void @test_bl_pass_x0_arg() {
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ret void
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}
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define void @test_bl_pass_x0_x1_x2_args() {
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ret void
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}
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define void @test_bl_pass_w0_w1_args() {
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ret void
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}
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define void @test_blr_pass_w0_w1_args() {
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ret void
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}
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define void @foo(i32 %a) {
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ret void
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}
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...
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---
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# CHECK-LABEL: : test_1_callsite_info
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# CHECK: bb.0:
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# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $w30, implicit-def $sp, implicit-def $wsp, implicit-def dead $x0, implicit-def $fp, implicit-def $w29, implicit $x0, implicit $sp, implicit $xzr, implicit $fp {
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# CHECK-NEXT: BLR $x0, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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# CHECK-NEXT: ORRXrs $xzr, $fp, 0
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# CHECK-NEXT: }
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# CHECK-NEXT: RET undef $lr, implicit killed $w0
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#
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name: test_1_callsite_info
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callSites:
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- {bb: 0, offset: 0, fwdArgRegs:
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- { arg: 0, reg: '$x0' } }
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body: |
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bb.0:
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liveins: $lr, $x0
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BLR_RVMARKER $x0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR implicit killed $w0
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...
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# CHECK-LABEL: : test_bl_pass_x0_arg
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# CHECK: bb.0:
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# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $w30, implicit-def $sp, implicit-def $wsp, implicit-def dead $x0, implicit-def $fp, implicit-def $w29, implicit $sp, implicit $x0, implicit $xzr, implicit $fp {
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# CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0
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# CHECK-NEXT: }
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# CHECK-NEXT: RET undef $lr, implicit killed $w0
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#
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name: test_bl_pass_x0_arg
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body: |
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bb.0:
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liveins: $lr, $x0
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BLR_RVMARKER @foo, $x0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR implicit killed $w0
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...
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# CHECK-LABEL: : test_bl_pass_x0_x1_x2_args
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# CHECK: bb.0:
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# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $w30, implicit-def $sp, implicit-def $wsp, implicit-def $x0, implicit-def $w0, implicit-def $fp, implicit-def $w29, implicit $sp, implicit $x0, implicit $x1, implicit $x2, implicit $xzr, implicit $fp {
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# CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0, implicit $x1, implicit $x2, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $x0
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# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0
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# CHECK-NEXT: }
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# CHECK-NEXT: RET undef $lr
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#
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name: test_bl_pass_x0_x1_x2_args
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body: |
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bb.0:
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liveins: $lr, $x0, $x1, $x2
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BLR_RVMARKER @foo, $x0, $x1, $x2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $x0
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RET_ReallyLR
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...
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# CHECK-LABEL: : test_bl_pass_w0_w1_args
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# CHECK: bb.0:
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# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $w30, implicit-def $sp, implicit-def $wsp, implicit-def dead $x0, implicit-def $fp, implicit-def $w29, implicit $sp, implicit $w0, implicit $w1, implicit $xzr, implicit $fp {
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# CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit $w1, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0
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# CHECK-NEXT: }
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# CHECK-NEXT: RET undef $lr, implicit killed $w0
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#
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name: test_bl_pass_w0_w1_args
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body: |
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bb.0:
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liveins: $lr, $w0, $w1
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BLR_RVMARKER @foo, $w0, $w1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR implicit killed $w0
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...
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# CHECK-LABEL: : test_blr_pass_w0_w1_args
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# CHECK: bb.0:
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# CHECK-NEXT: BUNDLE implicit-def $lr, implicit-def $w30, implicit-def $sp, implicit-def $wsp, implicit-def dead $x0, implicit-def $fp, implicit-def $w29, implicit $x8, implicit $sp, implicit $w0, implicit $w1, implicit $xzr, implicit $fp {
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# CHECK-NEXT: BLR $x8, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit $w1, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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# CHECK-NEXT: $fp = ORRXrs $xzr, $fp, 0
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# CHECK-NEXT: }
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# CHECK-NEXT: RET undef $lr, implicit killed $w0
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#
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name: test_blr_pass_w0_w1_args
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body: |
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bb.0:
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liveins: $lr, $x8, $w0, $w1
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BLR_RVMARKER $x8, $w0, $w1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $x0
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RET_ReallyLR implicit killed $w0
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...
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