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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/ppc64-inlineasm-clobber.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

261 lines
7.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=powerpc64le-unknown-linux-unknown -verify-machineinstrs %s \
; RUN: -ppc-asm-full-reg-names -o - | FileCheck %s --check-prefix=PPC64LE
; RUN: llc -mtriple=powerpc64-unknown-linux-unknown -verify-machineinstrs %s \
; RUN: -ppc-asm-full-reg-names -o - | FileCheck %s --check-prefix=PPC64BE
define dso_local void @ClobberLR() local_unnamed_addr #0 {
; PPC64LE-LABEL: ClobberLR:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: mflr r0
; PPC64LE-NEXT: stdu r1, -32(r1)
; PPC64LE-NEXT: std r0, 48(r1)
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: addi r1, r1, 32
; PPC64LE-NEXT: ld r0, 16(r1)
; PPC64LE-NEXT: mtlr r0
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: ClobberLR:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: mflr r0
; PPC64BE-NEXT: stdu r1, -48(r1)
; PPC64BE-NEXT: std r0, 64(r1)
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: addi r1, r1, 48
; PPC64BE-NEXT: ld r0, 16(r1)
; PPC64BE-NEXT: mtlr r0
; PPC64BE-NEXT: blr
entry:
tail call void asm sideeffect "", "~{lr}"()
ret void
}
define dso_local void @ClobberR5() local_unnamed_addr #0 {
; PPC64LE-LABEL: ClobberR5:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: ClobberR5:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: blr
entry:
tail call void asm sideeffect "", "~{r5}"()
ret void
}
define dso_local void @ClobberR15() local_unnamed_addr #0 {
; PPC64LE-LABEL: ClobberR15:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: std r15, -136(r1) # 8-byte Folded Spill
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: ld r15, -136(r1) # 8-byte Folded Reload
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: ClobberR15:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: std r15, -136(r1) # 8-byte Folded Spill
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: ld r15, -136(r1) # 8-byte Folded Reload
; PPC64BE-NEXT: blr
entry:
tail call void asm sideeffect "", "~{r15}"()
ret void
}
;; Test for INLINEASM_BR
define dso_local signext i32 @ClobberLR_BR(i32 signext %in) #0 {
; PPC64LE-LABEL: ClobberLR_BR:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: mflr r0
; PPC64LE-NEXT: stdu r1, -32(r1)
; PPC64LE-NEXT: std r0, 48(r1)
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: nop
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: .LBB3_1: # %return
; PPC64LE-NEXT: addi r1, r1, 32
; PPC64LE-NEXT: ld r0, 16(r1)
; PPC64LE-NEXT: mtlr r0
; PPC64LE-NEXT: blr
; PPC64LE-NEXT: .LBB3_2: # Inline asm indirect target
; PPC64LE-NEXT: # %return_early
; PPC64LE-NEXT: # Label of block must be emitted
; PPC64LE-NEXT: li r3, 0
; PPC64LE-NEXT: b .LBB3_1
;
; PPC64BE-LABEL: ClobberLR_BR:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: mflr r0
; PPC64BE-NEXT: stdu r1, -48(r1)
; PPC64BE-NEXT: std r0, 64(r1)
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: nop
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: .LBB3_1: # %return
; PPC64BE-NEXT: addi r1, r1, 48
; PPC64BE-NEXT: ld r0, 16(r1)
; PPC64BE-NEXT: mtlr r0
; PPC64BE-NEXT: blr
; PPC64BE-NEXT: .LBB3_2: # Inline asm indirect target
; PPC64BE-NEXT: # %return_early
; PPC64BE-NEXT: # Label of block must be emitted
; PPC64BE-NEXT: li r3, 0
; PPC64BE-NEXT: b .LBB3_1
entry:
callbr void asm sideeffect "nop", "!i,~{lr}"()
to label %return [label %return_early]
return_early:
br label %return
return:
%retval.0 = phi i32 [ 0, %return_early ], [ %in, %entry ]
ret i32 %retval.0
}
define dso_local signext i32 @ClobberR5_BR(i32 signext %in) #0 {
; PPC64LE-LABEL: ClobberR5_BR:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: nop
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: # %bb.1: # %return
; PPC64LE-NEXT: blr
; PPC64LE-NEXT: .LBB4_2: # Inline asm indirect target
; PPC64LE-NEXT: # %return_early
; PPC64LE-NEXT: # Label of block must be emitted
; PPC64LE-NEXT: li r3, 0
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: ClobberR5_BR:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: nop
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: # %bb.1: # %return
; PPC64BE-NEXT: blr
; PPC64BE-NEXT: .LBB4_2: # Inline asm indirect target
; PPC64BE-NEXT: # %return_early
; PPC64BE-NEXT: # Label of block must be emitted
; PPC64BE-NEXT: li r3, 0
; PPC64BE-NEXT: blr
entry:
callbr void asm sideeffect "nop", "!i,~{r5}"()
to label %return [label %return_early]
return_early:
br label %return
return:
%retval.0 = phi i32 [ 0, %return_early ], [ %in, %entry ]
ret i32 %retval.0
}
define dso_local void @DefLR() local_unnamed_addr #0 {
; PPC64LE-LABEL: DefLR:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: mflr r0
; PPC64LE-NEXT: stdu r1, -32(r1)
; PPC64LE-NEXT: std r0, 48(r1)
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: addi r1, r1, 32
; PPC64LE-NEXT: ld r0, 16(r1)
; PPC64LE-NEXT: mtlr r0
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: DefLR:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: mflr r0
; PPC64BE-NEXT: stdu r1, -48(r1)
; PPC64BE-NEXT: std r0, 64(r1)
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: addi r1, r1, 48
; PPC64BE-NEXT: ld r0, 16(r1)
; PPC64BE-NEXT: mtlr r0
; PPC64BE-NEXT: blr
entry:
tail call i64 asm sideeffect "", "={lr}"()
ret void
}
define dso_local void @EarlyClobberLR() local_unnamed_addr #0 {
; PPC64LE-LABEL: EarlyClobberLR:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: mflr r0
; PPC64LE-NEXT: stdu r1, -32(r1)
; PPC64LE-NEXT: std r0, 48(r1)
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: addi r1, r1, 32
; PPC64LE-NEXT: ld r0, 16(r1)
; PPC64LE-NEXT: mtlr r0
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: EarlyClobberLR:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: mflr r0
; PPC64BE-NEXT: stdu r1, -48(r1)
; PPC64BE-NEXT: std r0, 64(r1)
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: addi r1, r1, 48
; PPC64BE-NEXT: ld r0, 16(r1)
; PPC64BE-NEXT: mtlr r0
; PPC64BE-NEXT: blr
entry:
tail call i64 asm sideeffect "", "=&{lr}"()
ret void
}
define dso_local void @ClobberMulti() local_unnamed_addr #0 {
; PPC64LE-LABEL: ClobberMulti:
; PPC64LE: # %bb.0: # %entry
; PPC64LE-NEXT: mflr r0
; PPC64LE-NEXT: std r15, -136(r1) # 8-byte Folded Spill
; PPC64LE-NEXT: std r16, -128(r1) # 8-byte Folded Spill
; PPC64LE-NEXT: stdu r1, -176(r1)
; PPC64LE-NEXT: std r0, 192(r1)
; PPC64LE-NEXT: #APP
; PPC64LE-NEXT: #NO_APP
; PPC64LE-NEXT: addi r1, r1, 176
; PPC64LE-NEXT: ld r0, 16(r1)
; PPC64LE-NEXT: ld r16, -128(r1) # 8-byte Folded Reload
; PPC64LE-NEXT: ld r15, -136(r1) # 8-byte Folded Reload
; PPC64LE-NEXT: mtlr r0
; PPC64LE-NEXT: blr
;
; PPC64BE-LABEL: ClobberMulti:
; PPC64BE: # %bb.0: # %entry
; PPC64BE-NEXT: mflr r0
; PPC64BE-NEXT: stdu r1, -192(r1)
; PPC64BE-NEXT: std r0, 208(r1)
; PPC64BE-NEXT: std r15, 56(r1) # 8-byte Folded Spill
; PPC64BE-NEXT: std r16, 64(r1) # 8-byte Folded Spill
; PPC64BE-NEXT: #APP
; PPC64BE-NEXT: #NO_APP
; PPC64BE-NEXT: ld r16, 64(r1) # 8-byte Folded Reload
; PPC64BE-NEXT: ld r15, 56(r1) # 8-byte Folded Reload
; PPC64BE-NEXT: addi r1, r1, 192
; PPC64BE-NEXT: ld r0, 16(r1)
; PPC64BE-NEXT: mtlr r0
; PPC64BE-NEXT: blr
entry:
tail call void asm sideeffect "", "~{lr},~{r15},~{r16}"()
ret void
}
attributes #0 = { nounwind }