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llvm-mirror/test/CodeGen/PowerPC/f128-bitcast.ll
Qiu Chaofan d26cbdc561 [PowerPC] Support f128 under VSX
This patch is the last one in backend to support fp128 type in
pre-POWER9 subtargets with VSX, removing temporary option and updating
remaining tests.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D92374
2021-04-20 15:49:52 +08:00

89 lines
2.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs \
; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | FileCheck %s
; RUN: llc -mcpu=pwr9 -mtriple=powerpc64-unknown-unknown -verify-machineinstrs \
; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
; RUN: FileCheck %s --check-prefix=CHECK-BE
; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs \
; RUN: -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | FileCheck %s \
; RUN: -check-prefix=CHECK-P8
; Function Attrs: norecurse nounwind readnone
define i64 @getPart1(fp128 %in) local_unnamed_addr {
; CHECK-LABEL: getPart1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: mfvsrld r3, v2
; CHECK-NEXT: blr
;
; CHECK-BE-LABEL: getPart1:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mfvsrld r3, v2
; CHECK-BE-NEXT: blr
;
; CHECK-P8-LABEL: getPart1:
; CHECK-P8: # %bb.0: # %entry
; CHECK-P8-NEXT: xxswapd vs0, v2
; CHECK-P8-NEXT: mffprd r3, f0
; CHECK-P8-NEXT: blr
entry:
%0 = bitcast fp128 %in to i128
%a.sroa.0.0.extract.trunc = trunc i128 %0 to i64
ret i64 %a.sroa.0.0.extract.trunc
}
; Function Attrs: norecurse nounwind readnone
define i64 @getPart2(fp128 %in) local_unnamed_addr {
; CHECK-LABEL: getPart2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: mfvsrd r3, v2
; CHECK-NEXT: blr
;
; CHECK-BE-LABEL: getPart2:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mfvsrd r3, v2
; CHECK-BE-NEXT: blr
;
; CHECK-P8-LABEL: getPart2:
; CHECK-P8: # %bb.0: # %entry
; CHECK-P8-NEXT: mfvsrd r3, v2
; CHECK-P8-NEXT: blr
entry:
%0 = bitcast fp128 %in to i128
%a.sroa.0.8.extract.shift = lshr i128 %0, 64
%a.sroa.0.8.extract.trunc = trunc i128 %a.sroa.0.8.extract.shift to i64
ret i64 %a.sroa.0.8.extract.trunc
}
; Function Attrs: norecurse nounwind readnone
define i64 @checkBitcast(fp128 %in, <2 x i64> %in2, <2 x i64> *%out) local_unnamed_addr {
; CHECK-LABEL: checkBitcast:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: mfvsrld r3, v2
; CHECK-NEXT: vaddudm v2, v2, v3
; CHECK-NEXT: stxv v2, 0(r7)
; CHECK-NEXT: blr
;
; CHECK-BE-LABEL: checkBitcast:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mfvsrd r3, v2
; CHECK-BE-NEXT: vaddudm v2, v2, v3
; CHECK-BE-NEXT: stxv v2, 0(r7)
; CHECK-BE-NEXT: blr
;
; CHECK-P8-LABEL: checkBitcast:
; CHECK-P8: # %bb.0: # %entry
; CHECK-P8-NEXT: xxswapd vs0, v2
; CHECK-P8-NEXT: vaddudm v2, v2, v3
; CHECK-P8-NEXT: mffprd r3, f0
; CHECK-P8-NEXT: xxswapd vs0, v2
; CHECK-P8-NEXT: stxvd2x vs0, 0, r7
; CHECK-P8-NEXT: blr
entry:
%0 = bitcast fp128 %in to <2 x i64>
%1 = extractelement <2 x i64> %0, i64 0
%2 = add <2 x i64> %0, %in2
store <2 x i64> %2, <2 x i64> *%out, align 16
ret i64 %1
}