Files
clang-p2996/llvm/test/CodeGen/PowerPC/toc-float.ll
Amy Kwan ba627a32e1 [PowerPC] Update Refactored Load/Store Implementation, XForm VSX Patterns, and Tests
This patch includes the following updates to the load/store refactoring effort introduced in D93370:
 - Update various VSX patterns that use to "force" an XForm, to instead just XForm.
   This allows the ability for the patterns to compute the most optimal addressing
   mode (and to produce a DForm instruction when possible)
- Update pattern and test case for the LXVD2X/STXVD2X intrinsics
- Update LIT test cases that use to use the XForm instruction to use the DForm instruction

Differential Revision: https://reviews.llvm.org/D95115
2021-07-16 09:28:48 -05:00

159 lines
5.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -relocation-model=pic -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 < %s | FileCheck -check-prefix=CHECK-P9 %s
; RUN: llc -relocation-model=pic -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck -check-prefix=CHECK-P8 %s
; As the constant could be represented as float, a float is
; loaded from constant pool.
define double @doubleConstant1() {
; CHECK-P9-LABEL: doubleConstant1:
; CHECK-P9: # %bb.0:
; CHECK-P9-NEXT: addis 3, 2, .LCPI0_0@toc@ha
; CHECK-P9-NEXT: lfs 1, .LCPI0_0@toc@l(3)
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: doubleConstant1:
; CHECK-P8: # %bb.0:
; CHECK-P8-NEXT: addis 3, 2, .LCPI0_0@toc@ha
; CHECK-P8-NEXT: lfs 1, .LCPI0_0@toc@l(3)
; CHECK-P8-NEXT: blr
ret double 1.400000e+01
}
; As the constant couldn't be represented as float, a double is
; loaded from constant pool.
define double @doubleConstant2() {
; CHECK-P9-LABEL: doubleConstant2:
; CHECK-P9: # %bb.0:
; CHECK-P9-NEXT: addis 3, 2, .LCPI1_0@toc@ha
; CHECK-P9-NEXT: lfd 1, .LCPI1_0@toc@l(3)
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: doubleConstant2:
; CHECK-P8: # %bb.0:
; CHECK-P8-NEXT: addis 3, 2, .LCPI1_0@toc@ha
; CHECK-P8-NEXT: lfd 1, .LCPI1_0@toc@l(3)
; CHECK-P8-NEXT: blr
ret double 2.408904e+01
}
@FArr = hidden local_unnamed_addr global [10 x float] zeroinitializer, align 4
define float @floatConstantArray() local_unnamed_addr {
; CHECK-P9-LABEL: floatConstantArray:
; CHECK-P9: # %bb.0:
; CHECK-P9-NEXT: addis 3, 2, FArr@toc@ha+12
; CHECK-P9-NEXT: lfs 0, FArr@toc@l+12(3)
; CHECK-P9-NEXT: addis 3, 2, .LCPI2_0@toc@ha
; CHECK-P9-NEXT: lfs 1, .LCPI2_0@toc@l(3)
; CHECK-P9-NEXT: xsaddsp 1, 0, 1
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: floatConstantArray:
; CHECK-P8: # %bb.0:
; CHECK-P8-NEXT: addis 3, 2, FArr@toc@ha+12
; CHECK-P8-NEXT: addis 4, 2, .LCPI2_0@toc@ha
; CHECK-P8-NEXT: lfs 0, FArr@toc@l+12(3)
; CHECK-P8-NEXT: lfs 1, .LCPI2_0@toc@l(4)
; CHECK-P8-NEXT: xsaddsp 1, 0, 1
; CHECK-P8-NEXT: blr
%1 = load float, float* getelementptr inbounds ([10 x float], [10 x float]* @FArr, i64 0, i64 3), align 4
%2 = fadd float %1, 0x400B333340000000
ret float %2
}
define float @floatConstant() {
; CHECK-P9-LABEL: floatConstant:
; CHECK-P9: # %bb.0:
; CHECK-P9-NEXT: addis 3, 2, .LCPI3_0@toc@ha
; CHECK-P9-NEXT: lfs 1, .LCPI3_0@toc@l(3)
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: floatConstant:
; CHECK-P8: # %bb.0:
; CHECK-P8-NEXT: addis 3, 2, .LCPI3_0@toc@ha
; CHECK-P8-NEXT: lfs 1, .LCPI3_0@toc@l(3)
; CHECK-P8-NEXT: blr
ret float 0x400470A3E0000000
}
; llvm put the hidden globals into the TOC table.
; TODO - do some analysis and decide which globals could be put into TOC.
@d = hidden local_unnamed_addr global [200 x double] zeroinitializer, align 8
define double @doubleConstantArray() {
; CHECK-P9-LABEL: doubleConstantArray:
; CHECK-P9: # %bb.0:
; CHECK-P9-NEXT: addis 3, 2, d@toc@ha+24
; CHECK-P9-NEXT: lfd 0, d@toc@l+24(3)
; CHECK-P9-NEXT: addis 3, 2, .LCPI4_0@toc@ha
; CHECK-P9-NEXT: lfd 1, .LCPI4_0@toc@l(3)
; CHECK-P9-NEXT: xsadddp 1, 0, 1
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: doubleConstantArray:
; CHECK-P8: # %bb.0:
; CHECK-P8-NEXT: addis 3, 2, d@toc@ha+24
; CHECK-P8-NEXT: addis 4, 2, .LCPI4_0@toc@ha
; CHECK-P8-NEXT: lfd 0, d@toc@l+24(3)
; CHECK-P8-NEXT: lfd 1, .LCPI4_0@toc@l(4)
; CHECK-P8-NEXT: xsadddp 1, 0, 1
; CHECK-P8-NEXT: blr
%1 = load double, double* getelementptr inbounds ([200 x double], [200 x double]* @d, i64 0, i64 3), align 8
%2 = fadd double %1, 6.880000e+00
ret double %2
}
@arr = hidden local_unnamed_addr global [20000 x double] zeroinitializer, align 8
; Access an element with an offset that doesn't fit in the displacement field of LFD.
define double @doubleLargeConstantArray() {
; CHECK-P9-LABEL: doubleLargeConstantArray:
; CHECK-P9: # %bb.0:
; CHECK-P9-NEXT: addis 3, 2, arr@toc@ha
; CHECK-P9-NEXT: li 4, 0
; CHECK-P9-NEXT: addi 3, 3, arr@toc@l
; CHECK-P9-NEXT: ori 4, 4, 32768
; CHECK-P9-NEXT: lfdx 0, 3, 4
; CHECK-P9-NEXT: addis 3, 2, .LCPI5_0@toc@ha
; CHECK-P9-NEXT: lfd 1, .LCPI5_0@toc@l(3)
; CHECK-P9-NEXT: xsadddp 1, 0, 1
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: doubleLargeConstantArray:
; CHECK-P8: # %bb.0:
; CHECK-P8-NEXT: addis 3, 2, arr@toc@ha
; CHECK-P8-NEXT: li 4, 0
; CHECK-P8-NEXT: addis 5, 2, .LCPI5_0@toc@ha
; CHECK-P8-NEXT: addi 3, 3, arr@toc@l
; CHECK-P8-NEXT: ori 4, 4, 32768
; CHECK-P8-NEXT: lfd 1, .LCPI5_0@toc@l(5)
; CHECK-P8-NEXT: lfdx 0, 3, 4
; CHECK-P8-NEXT: xsadddp 1, 0, 1
; CHECK-P8-NEXT: blr
%1 = load double, double* getelementptr inbounds ([20000 x double], [20000 x double]* @arr, i64 0, i64 4096), align 8
%2 = fadd double %1, 6.880000e+00
ret double %2
}
@vec_arr = global [10 x <4 x i32>] zeroinitializer, align 16
define <4 x i32> @vectorArray() #0 {
; CHECK-P9-LABEL: vectorArray:
; CHECK-P9: # %bb.0: # %entry
; CHECK-P9-NEXT: addis 3, 2, .LC0@toc@ha
; CHECK-P9-NEXT: ld 3, .LC0@toc@l(3)
; CHECK-P9-NEXT: lxv 34, 32(3)
; CHECK-P9-NEXT: blr
;
; CHECK-P8-LABEL: vectorArray:
; CHECK-P8: # %bb.0: # %entry
; CHECK-P8-NEXT: addis 3, 2, .LC0@toc@ha
; CHECK-P8-NEXT: ld 3, .LC0@toc@l(3)
; CHECK-P8-NEXT: addi 3, 3, 32
; CHECK-P8-NEXT: lvx 2, 0, 3
; CHECK-P8-NEXT: blr
entry:
%0 = load <4 x i32>, <4 x i32>* getelementptr inbounds ([10 x <4 x i32>], [10 x <4 x i32>]* @vec_arr, i64 0, i64 2), align 16
ret <4 x i32> %0
}