/
aix-lower-jump-table.ll
213 lines (186 loc) · 7.88 KB
/
aix-lower-jump-table.ll
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; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-altivec -mtriple powerpc-ibm-aix-xcoff \
; RUN: -code-model=small -stop-after=machine-cp < %s | FileCheck \
; RUN: --check-prefix=32SMALL-MIR %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-altivec -mtriple powerpc-ibm-aix-xcoff \
; RUN: -code-model=large -stop-after=machine-cp < %s | FileCheck \
; RUN: --check-prefix=32LARGE-MIR %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-altivec -mtriple powerpc64-ibm-aix-xcoff \
; RUN: -code-model=small -stop-after=machine-cp < %s | FileCheck \
; RUN: --check-prefix=64SMALL-MIR %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-altivec -mtriple powerpc64-ibm-aix-xcoff \
; RUN: -code-model=large -stop-after=machine-cp < %s | FileCheck \
; RUN: --check-prefix=64LARGE-MIR %s
; RUN: llc -mtriple powerpc-ibm-aix-xcoff -code-model=small < %s | FileCheck \
; RUN: --check-prefixes=32SMALL-ASM,SMALL-ASM %s
; RUN: llc -mtriple powerpc-ibm-aix-xcoff -code-model=large < %s | FileCheck \
; RUN: --check-prefixes=32LARGE-ASM,LARGE-ASM %s
; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -code-model=small < %s | FileCheck \
; RUN: --check-prefixes=64SMALL-ASM,SMALL-ASM %s
; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -code-model=large < %s | FileCheck \
; RUN: --check-prefixes=64LARGE-ASM,LARGE-ASM %s
; RUN: llc -mtriple powerpc-ibm-aix-xcoff -function-sections < %s | FileCheck \
; RUN: --check-prefix=FUNC-ASM %s
; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -function-sections < %s | FileCheck \
; RUN: --check-prefix=FUNC-ASM %s
define i32 @jump_table(i32 %a) {
entry:
switch i32 %a, label %sw.epilog [
i32 1, label %sw.bb
i32 2, label %sw.bb1
i32 3, label %sw.bb2
i32 4, label %sw.bb3
]
sw.bb:
tail call void asm sideeffect "", ""()
br label %sw.epilog
sw.bb1:
tail call void asm sideeffect "", ""()
br label %sw.epilog
sw.bb2:
tail call void asm sideeffect "", ""()
br label %sw.epilog
sw.bb3:
tail call void asm sideeffect "", ""()
br label %sw.epilog
sw.epilog:
ret i32 0
}
; 32SMALL-MIR: renamable $r[[REG1:[0-9]+]] = LWZtoc %jump-table.0, $r2 :: (load (s32) from got)
; 32SMALL-MIR: renamable $r[[REG3:[0-9]+]] = RLWINM killed renamable $r[[REG2:[0-9]+]], 2, 0, 29
; 32SMALL-MIR: renamable $r[[REG4:[0-9]+]] = LWZX killed renamable $r[[REG3]], renamable $r[[REG1]] :: (load (s32) from jump-table)
; 32SMALL-MIR: renamable $r[[REG5:[0-9]+]] = ADD4 killed renamable $r[[REG4]], killed renamable $r[[REG1]]
; 32LARGE-MIR: renamable $r[[REG1:[0-9]+]] = ADDIStocHA $r2, %jump-table.0
; 32LARGE-MIR: renamable $r[[REG2:[0-9]+]] = LWZtocL %jump-table.0, killed renamable $r[[REG1]], implicit $r2 :: (load (s32) from got)
; 32LARGE-MIR: renamable $r[[REG4:[0-9]+]] = RLWINM killed renamable $r[[REG3:[0-9]+]], 2, 0, 29
; 32LARGE-MIR: renamable $r[[REG5:[0-9]+]] = LWZX killed renamable $r[[REG4]], renamable $r[[REG2]] :: (load (s32) from jump-table)
; 32LARGE-MIR: renamable $r[[REG6:[0-9]+]] = ADD4 killed renamable $r[[REG5]], killed renamable $r[[REG2]]
; 64SMALL-MIR: renamable $x[[REG1:[0-9]+]] = LDtocJTI %jump-table.0, $x2 :: (load (s64) from got)
; 64SMALL-MIR: renamable $x[[REG3:[0-9]+]] = RLDIC killed renamable $x[[REG2:[0-9]+]], 2, 30
; 64SMALL-MIR: renamable $x[[REG4:[0-9]+]] = LWAX killed renamable $x[[REG3]], renamable $x[[REG1]] :: (load (s32) from jump-table)
; 64SMALL-MIR: renamable $x[[REG6:[0-9]+]] = ADD8 killed renamable $x[[REG4]], killed renamable $x[[REG1]]
; 64LARGE-MIR: renamable $x[[REG1:[0-9]+]] = ADDIStocHA8 $x2, %jump-table.0
; 64LARGE-MIR: renamable $x[[REG2:[0-9]+]] = LDtocL %jump-table.0, killed renamable $x[[REG1]], implicit $x2 :: (load (s64) from got)
; 64LARGE-MIR: renamable $x[[REG4:[0-9]+]] = RLDIC killed renamable $x[[REG3:[0-9]+]], 2, 30
; 64LARGE-MIR: renamable $x[[REG5:[0-9]+]] = LWAX killed renamable $x[[REG4]], renamable $x[[REG2]] :: (load (s32) from jump-table)
; 64LARGE-MIR: renamable $x[[REG6:[0-9]+]] = ADD8 killed renamable $x[[REG5]], killed renamable $x[[REG2]]
; 32SMALL-ASM-LABEL: jump_table
; 32SMALL-ASM: .jump_table:
; 32SMALL-ASM: addi 3, 3, -1
; 32SMALL-ASM: cmplwi 3, 3
; 32SMALL-ASM: bgt 0, L..BB0_6
; 32SMALL-ASM: lwz 4, L..C0(2)
; 32SMALL-ASM: slwi 3, 3, 2
; 32SMALL-ASM: lwzx 3, 3, 4
; 32SMALL-ASM: add 3, 3, 4
; 32SMALL-ASM: mtctr 3
; 32SMALL-ASM: bctr
; 32SMALL-ASM: L..BB0_2:
; 32SMALL-ASM: L..BB0_3:
; 32SMALL-ASM: L..BB0_4:
; 32SMALL-ASM: L..BB0_5:
; 32SMALL-ASM: L..BB0_6:
; 32SMALL-ASM: li 3, 0
; 32SMALL-ASM: blr
; 32SMALL-ASM: .csect .rodata[RO],2
; 32SMALL-ASM: .align 2
; 32SMALL-ASM: L..JTI0_0:
; 32SMALL-ASM: .vbyte 4, L..BB0_2-L..JTI0_0
; 32SMALL-ASM: .vbyte 4, L..BB0_3-L..JTI0_0
; 32SMALL-ASM: .vbyte 4, L..BB0_4-L..JTI0_0
; 32SMALL-ASM: .vbyte 4, L..BB0_5-L..JTI0_0
; 32LARGE-ASM-LABEL: jump_table
; 32LARGE-ASM: .jump_table:
; 32LARGE-ASM: addi 3, 3, -1
; 32LARGE-ASM: cmplwi 3, 3
; 32LARGE-ASM: bgt 0, L..BB0_6
; 32LARGE-ASM: addis 4, L..C0@u(2)
; 32LARGE-ASM: slwi 3, 3, 2
; 32LARGE-ASM: lwz 4, L..C0@l(4)
; 32LARGE-ASM: lwzx 3, 3, 4
; 32LARGE-ASM: add 3, 3, 4
; 32LARGE-ASM: mtctr 3
; 32LARGE-ASM: bctr
; 32LARGE-ASM: L..BB0_2:
; 32LARGE-ASM: L..BB0_3:
; 32LARGE-ASM: L..BB0_4:
; 32LARGE-ASM: L..BB0_5:
; 32LARGE-ASM: L..BB0_6:
; 32LARGE-ASM: li 3, 0
; 32LARGE-ASM: blr
; 32LARGE-ASM: .csect .rodata[RO],2
; 32LARGE-ASM: .align 2
; 32LARGE-ASM: L..JTI0_0:
; 32LARGE-ASM: .vbyte 4, L..BB0_2-L..JTI0_0
; 32LARGE-ASM: .vbyte 4, L..BB0_3-L..JTI0_0
; 32LARGE-ASM: .vbyte 4, L..BB0_4-L..JTI0_0
; 32LARGE-ASM: .vbyte 4, L..BB0_5-L..JTI0_0
; 64SMALL-ASM-LABEL: jump_table
; 64SMALL-ASM: .jump_table:
; 64SMALL-ASM: addi 3, 3, -1
; 64SMALL-ASM: cmplwi 3, 3
; 64SMALL-ASM: bgt 0, L..BB0_6
; 64SMALL-ASM: ld 4, L..C0(2)
; 64SMALL-ASM: rldic 3, 3, 2, 30
; 64SMALL-ASM: lwax 3, 3, 4
; 64SMALL-ASM: add 3, 3, 4
; 64SMALL-ASM: mtctr 3
; 64SMALL-ASM: bctr
; 64SMALL-ASM: L..BB0_2:
; 64SMALL-ASM: L..BB0_3:
; 64SMALL-ASM: L..BB0_4:
; 64SMALL-ASM: L..BB0_5:
; 64SMALL-ASM: L..BB0_6:
; 64SMALL-ASM: li 3, 0
; 64SMALL-ASM: blr
; 64SMALL-ASM: .csect .rodata[RO],2
; 64SMALL-ASM: .align 2
; 64SMALL-ASM: L..JTI0_0:
; 64SMALL-ASM: .vbyte 4, L..BB0_2-L..JTI0_0
; 64SMALL-ASM: .vbyte 4, L..BB0_3-L..JTI0_0
; 64SMALL-ASM: .vbyte 4, L..BB0_4-L..JTI0_0
; 64SMALL-ASM: .vbyte 4, L..BB0_5-L..JTI0_0
; 64LARGE-ASM-LABEL: jump_table
; 64LARGE-ASM: .jump_table:
; 64LARGE-ASM: addi 3, 3, -1
; 64LARGE-ASM: cmplwi 3, 3
; 64LARGE-ASM: bgt 0, L..BB0_6
; 64LARGE-ASM: addis 4, L..C0@u(2)
; 64LARGE-ASM: rldic 3, 3, 2, 30
; 64LARGE-ASM: ld 4, L..C0@l(4)
; 64LARGE-ASM: lwax 3, 3, 4
; 64LARGE-ASM: add 3, 3, 4
; 64LARGE-ASM: mtctr 3
; 64LARGE-ASM: bctr
; 64LARGE-ASM: L..BB0_2:
; 64LARGE-ASM: L..BB0_3:
; 64LARGE-ASM: L..BB0_4:
; 64LARGE-ASM: L..BB0_5:
; 64LARGE-ASM: L..BB0_6:
; 64LARGE-ASM: li 3, 0
; 64LARGE-ASM: blr
; 64LARGE-ASM: .csect .rodata[RO],2
; 64LARGE-ASM: .align 2
; 64LARGE-ASM: L..JTI0_0:
; 64LARGE-ASM: .vbyte 4, L..BB0_2-L..JTI0_0
; 64LARGE-ASM: .vbyte 4, L..BB0_3-L..JTI0_0
; 64LARGE-ASM: .vbyte 4, L..BB0_4-L..JTI0_0
; 64LARGE-ASM: .vbyte 4, L..BB0_5-L..JTI0_0
; FUNC-ASM: .csect .jump_table[PR],5
; FUNC-ASM: L..BB0_2:
; FUNC-ASM: L..BB0_3:
; FUNC-ASM: L..BB0_4:
; FUNC-ASM: L..BB0_5:
; FUNC-ASM: L..BB0_6:
; FUNC-ASM: li 3, 0
; FUNC-ASM: blr
; FUNC-ASM: .csect .rodata.jmp..jump_table[RO],2
; FUNC-ASM: .align 2
; FUNC-ASM: L..JTI0_0:
; FUNC-ASM: .vbyte 4, L..BB0_2-L..JTI0_0
; FUNC-ASM: .vbyte 4, L..BB0_3-L..JTI0_0
; FUNC-ASM: .vbyte 4, L..BB0_4-L..JTI0_0
; FUNC-ASM: .vbyte 4, L..BB0_5-L..JTI0_0
; SMALL-ASM: .toc
; SMALL-ASM: .tc L..JTI0_0[TC],L..JTI0_0
; LARGE-ASM: .toc
; LARGE-ASM: .tc L..JTI0_0[TE],L..JTI0_0