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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/machine-outliner-adrp-got-split.mir
derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

134 lines
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YAML

# RUN: llc -mtriple=aarch64--- -run-pass=machine-outliner -verify-machineinstrs %s -o - | FileCheck %s
--- |
@x = common global i32 0, align 4
define i32 @adrp_add() #0 {
ret i32 0
}
define i32 @adrp_ldr() #0 {
ret i32 0
}
attributes #0 = { noinline noredzone }
...
---
# Check that main function body doesn't split ADRP pair
#
# CHECK-LABEL: name: adrp_add
# CHECK-DAG: bb.0:
# CHECK: BL @OUTLINED_FUNCTION_[[F0:[0-9]+]]
# CHECK-NEXT: BL @OUTLINED_FUNCTION_[[F2:[0-9]+]]
# CHECK-NEXT: $lr = ORRXri $xzr, 1
name: adrp_add
tracksRegLiveness: true
body: |
bb.0:
liveins: $lr
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
$x12 = ADDXri $x9, target-flags(aarch64-pageoff, aarch64-got) @x, 0
$lr = ORRXri $xzr, 1
bb.1:
liveins: $lr
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
$x12 = ADDXri $x9, target-flags(aarch64-pageoff, aarch64-got) @x, 0
$lr = ORRXri $xzr, 1
bb.2:
liveins: $lr
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
$x12 = ADDXri $x9, target-flags(aarch64-pageoff, aarch64-got) @x, 0
$lr = ORRXri $xzr, 1
bb.3:
liveins: $lr
RET undef $lr
...
---
# Check that main function body doesn't split ADRP pair
#
# CHECK-LABEL: name: adrp_ldr
# CHECK-DAG: bb.0:
# CHECK: BL @OUTLINED_FUNCTION_[[F0]]
# CHECK-NEXT: BL @OUTLINED_FUNCTION_[[F1:[0-9]+]]
# CHECK-NEXT: $lr = ORRXri $xzr, 1
name: adrp_ldr
tracksRegLiveness: true
body: |
bb.0:
liveins: $lr
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
$x12 = LDRXui $x9, target-flags(aarch64-pageoff, aarch64-got) @x
$lr = ORRXri $xzr, 1
bb.1:
liveins: $lr
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
$x12 = LDRXui $x9, target-flags(aarch64-pageoff, aarch64-got) @x
$lr = ORRXri $xzr, 1
bb.2:
liveins: $lr
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$w12 = ORRWri $wzr, 1
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
$x12 = LDRXui $x9, target-flags(aarch64-pageoff, aarch64-got) @x
$lr = ORRXri $xzr, 1
bb.3:
liveins: $lr
RET undef $lr
# Check that no outlined function split the ADRP pair apart
#
# CHECK: OUTLINED_FUNCTION_[[F0]]
# CHECK-DAG: bb.0
# CHECK: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: RET $lr
# CHECK: OUTLINED_FUNCTION_[[F1]]
# CHECK-DAG: bb.0
# CHECK: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: $x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
# CHECK-NEXT: $x12 = LDRXui $x9, target-flags(aarch64-pageoff, aarch64-got) @x
# CHECK: name: OUTLINED_FUNCTION_[[F2]]
# CHECK-DAG: bb.0
# CHECK: $w12 = ORRWri $wzr, 1
# CHECK-NEXT: $x9 = ADRP target-flags(aarch64-page, aarch64-got) @x
# CHECK-NEXT: $x12 = ADDXri $x9, target-flags(aarch64-pageoff, aarch64-got) @x, 0