4bf0001c07
The newly added test case will be used to verify a more efficient memcmp in cases where the length is known.
99 lines
4.1 KiB
LLVM
99 lines
4.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mcpu=pwr8 -ppc-asm-full-reg-names -mtriple=powerpc64-ibm-aix < %s | \
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; RUN: FileCheck %s --check-prefix=CHECK-AIX64-32-P8
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; RUN: llc -mcpu=pwr10 -ppc-asm-full-reg-names -mtriple=powerpc64-ibm-aix < %s | \
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; RUN: FileCheck %s --check-prefix=CHECK-AIX64-32-P10
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; RUN: llc -mcpu=pwr8 -ppc-asm-full-reg-names -mtriple=powerpc64le-unknown-linux-gnu < %s | \
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; RUN: FileCheck %s --check-prefix=CHECK-LINUX64-P8
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; RUN: llc -mcpu=pwr10 -ppc-asm-full-reg-names -mtriple=powerpc64le-unknown-linux-gnu < %s | \
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; RUN: FileCheck %s --check-prefix=CHECK-LINUX64-P10
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define dso_local signext range(i32 0, 2) i32 @cmpeq16(ptr noundef readonly captures(none) %a, ptr noundef readonly captures(none) %b) {
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; CHECK-AIX64-32-P8-LABEL: cmpeq16:
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; CHECK-AIX64-32-P8: # %bb.0: # %entry
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; CHECK-AIX64-32-P8-NEXT: ld r5, 0(r3)
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; CHECK-AIX64-32-P8-NEXT: ld r6, 0(r4)
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; CHECK-AIX64-32-P8-NEXT: cmpld r5, r6
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; CHECK-AIX64-32-P8-NEXT: bne cr0, L..BB0_2
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; CHECK-AIX64-32-P8-NEXT: # %bb.1: # %loadbb1
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; CHECK-AIX64-32-P8-NEXT: ld r5, 8(r3)
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; CHECK-AIX64-32-P8-NEXT: ld r4, 8(r4)
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; CHECK-AIX64-32-P8-NEXT: li r3, 0
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; CHECK-AIX64-32-P8-NEXT: cmpld r5, r4
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; CHECK-AIX64-32-P8-NEXT: beq cr0, L..BB0_3
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; CHECK-AIX64-32-P8-NEXT: L..BB0_2: # %res_block
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; CHECK-AIX64-32-P8-NEXT: li r3, 1
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; CHECK-AIX64-32-P8-NEXT: L..BB0_3: # %endblock
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; CHECK-AIX64-32-P8-NEXT: cntlzw r3, r3
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; CHECK-AIX64-32-P8-NEXT: srwi r3, r3, 5
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; CHECK-AIX64-32-P8-NEXT: blr
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;
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; CHECK-AIX64-32-P10-LABEL: cmpeq16:
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; CHECK-AIX64-32-P10: # %bb.0: # %entry
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; CHECK-AIX64-32-P10-NEXT: ld r5, 0(r3)
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; CHECK-AIX64-32-P10-NEXT: ld r6, 0(r4)
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; CHECK-AIX64-32-P10-NEXT: cmpld r5, r6
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; CHECK-AIX64-32-P10-NEXT: bne cr0, L..BB0_2
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; CHECK-AIX64-32-P10-NEXT: # %bb.1: # %loadbb1
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; CHECK-AIX64-32-P10-NEXT: ld r5, 8(r3)
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; CHECK-AIX64-32-P10-NEXT: ld r4, 8(r4)
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; CHECK-AIX64-32-P10-NEXT: li r3, 0
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; CHECK-AIX64-32-P10-NEXT: cmpld r5, r4
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; CHECK-AIX64-32-P10-NEXT: beq cr0, L..BB0_3
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; CHECK-AIX64-32-P10-NEXT: L..BB0_2: # %res_block
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; CHECK-AIX64-32-P10-NEXT: li r3, 1
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; CHECK-AIX64-32-P10-NEXT: L..BB0_3: # %endblock
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; CHECK-AIX64-32-P10-NEXT: cntlzw r3, r3
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; CHECK-AIX64-32-P10-NEXT: rlwinm r3, r3, 27, 31, 31
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; CHECK-AIX64-32-P10-NEXT: blr
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;
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; CHECK-LINUX64-P8-LABEL: cmpeq16:
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; CHECK-LINUX64-P8: # %bb.0: # %entry
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; CHECK-LINUX64-P8-NEXT: ld r5, 0(r3)
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; CHECK-LINUX64-P8-NEXT: ld r6, 0(r4)
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; CHECK-LINUX64-P8-NEXT: cmpld r5, r6
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; CHECK-LINUX64-P8-NEXT: bne cr0, .LBB0_2
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; CHECK-LINUX64-P8-NEXT: # %bb.1: # %loadbb1
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; CHECK-LINUX64-P8-NEXT: ld r5, 8(r3)
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; CHECK-LINUX64-P8-NEXT: ld r4, 8(r4)
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; CHECK-LINUX64-P8-NEXT: li r3, 0
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; CHECK-LINUX64-P8-NEXT: cmpld r5, r4
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; CHECK-LINUX64-P8-NEXT: beq cr0, .LBB0_3
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; CHECK-LINUX64-P8-NEXT: .LBB0_2: # %res_block
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; CHECK-LINUX64-P8-NEXT: li r3, 1
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; CHECK-LINUX64-P8-NEXT: .LBB0_3: # %endblock
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; CHECK-LINUX64-P8-NEXT: cntlzw r3, r3
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; CHECK-LINUX64-P8-NEXT: srwi r3, r3, 5
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; CHECK-LINUX64-P8-NEXT: blr
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;
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; CHECK-LINUX64-P10-LABEL: cmpeq16:
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; CHECK-LINUX64-P10: # %bb.0: # %entry
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; CHECK-LINUX64-P10-NEXT: ld r5, 0(r3)
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; CHECK-LINUX64-P10-NEXT: ld r6, 0(r4)
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; CHECK-LINUX64-P10-NEXT: cmpld r5, r6
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; CHECK-LINUX64-P10-NEXT: bne cr0, .LBB0_2
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; CHECK-LINUX64-P10-NEXT: # %bb.1: # %loadbb1
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; CHECK-LINUX64-P10-NEXT: ld r5, 8(r3)
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; CHECK-LINUX64-P10-NEXT: ld r4, 8(r4)
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; CHECK-LINUX64-P10-NEXT: li r3, 0
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; CHECK-LINUX64-P10-NEXT: cmpld r5, r4
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; CHECK-LINUX64-P10-NEXT: beq cr0, .LBB0_3
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; CHECK-LINUX64-P10-NEXT: .LBB0_2: # %res_block
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; CHECK-LINUX64-P10-NEXT: li r3, 1
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; CHECK-LINUX64-P10-NEXT: .LBB0_3: # %endblock
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; CHECK-LINUX64-P10-NEXT: cntlzw r3, r3
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; CHECK-LINUX64-P10-NEXT: rlwinm r3, r3, 27, 31, 31
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; CHECK-LINUX64-P10-NEXT: blr
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entry:
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%bcmp = tail call i32 @bcmp(ptr noundef nonnull dereferenceable(16) %a, ptr noundef nonnull dereferenceable(16) %b, i64 16)
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%cmp = icmp eq i32 %bcmp, 0
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%conv = zext i1 %cmp to i32
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ret i32 %conv
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}
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declare signext i32 @bcmp(ptr captures(none), ptr captures(none), i64)
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