Files
clang-p2996/llvm/test/CodeGen/PowerPC/nofpexcept.ll
Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

246 lines
12 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu < %s \
; RUN: -stop-after=finalize-isel -verify-machineinstrs | FileCheck %s
; Verify if the mayRaiseFPException is set for FCMPD/FCMPS
define i32 @fcmpu(double %a, double %b) {
; CHECK-LABEL: name: fcmpu
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $f1, $f2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:f8rc = COPY $f2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:f8rc = COPY $f1
; CHECK-NEXT: %2:crrc = nofpexcept FCMPUD [[COPY1]], [[COPY]]
; CHECK-NEXT: [[COPY2:%[0-9]+]]:crbitrc = COPY %2.sub_gt
; CHECK-NEXT: [[LI8_:%[0-9]+]]:g8rc_and_g8rc_nox0 = LI8 0
; CHECK-NEXT: [[LI8_1:%[0-9]+]]:g8rc_and_g8rc_nox0 = LI8 1
; CHECK-NEXT: [[ISEL8_:%[0-9]+]]:g8rc = ISEL8 [[LI8_1]], [[LI8_]], [[COPY2]]
; CHECK-NEXT: $x3 = COPY [[ISEL8_]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $x3
entry:
%r = fcmp ogt double %a, %b
%g = zext i1 %r to i32
ret i32 %g
}
define double @max_typec(double %a, double %b) {
; CHECK-LABEL: name: max_typec
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $f1, $f2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vsfrc = COPY $f2
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vsfrc = COPY $f1
; CHECK-NEXT: %2:vsfrc = nofpexcept XSMAXCDP [[COPY1]], [[COPY]]
; CHECK-NEXT: $f1 = COPY %2
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
entry:
%cmp = fcmp ogt double %a, %b
%sel = select i1 %cmp, double %a, double %b
ret double %sel
}
; Verify no mayRaiseFPException bit set on fneg & fabs
define double @fneg(double %a) {
; CHECK-LABEL: name: fneg
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $f1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vsfrc = COPY $f1
; CHECK-NEXT: [[XSNEGDP:%[0-9]+]]:vsfrc = XSNEGDP [[COPY]], implicit $rm
; CHECK-NEXT: $f1 = COPY [[XSNEGDP]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
entry:
%neg = fneg double %a
ret double %neg
}
define double @fabs(double %a) {
; CHECK-LABEL: name: fabs
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $f1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vsfrc = COPY $f1
; CHECK-NEXT: [[XSABSDP:%[0-9]+]]:vsfrc = XSABSDP [[COPY]], implicit $rm
; CHECK-NEXT: $f1 = COPY [[XSABSDP]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
entry:
%abs = call double @llvm.fabs.f64(double %a)
ret double %abs
}
; Verify nofpexcept is set to constrained conversions when ignoring exceptions
define void @fptoint_nofpexcept(ppc_fp128 %p, fp128 %m, ptr %addr1, ptr %addr2) {
; CHECK-LABEL: name: fptoint_nofpexcept
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $f1, $f2, $v2, $x7, $x8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:g8rc_and_g8rc_nox0 = COPY $x8
; CHECK-NEXT: [[COPY1:%[0-9]+]]:g8rc_and_g8rc_nox0 = COPY $x7
; CHECK-NEXT: [[COPY2:%[0-9]+]]:vrrc = COPY $v2
; CHECK-NEXT: [[COPY3:%[0-9]+]]:f8rc = COPY $f2
; CHECK-NEXT: [[COPY4:%[0-9]+]]:f8rc = COPY $f1
; CHECK-NEXT: %5:vrrc = nofpexcept XSCVQPSWZ [[COPY2]]
; CHECK-NEXT: [[COPY5:%[0-9]+]]:vslrc = COPY %5
; CHECK-NEXT: [[COPY6:%[0-9]+]]:vfrc = COPY [[COPY5]].sub_64
; CHECK-NEXT: [[MFVSRWZ:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY6]]
; CHECK-NEXT: STW killed [[MFVSRWZ]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
; CHECK-NEXT: %8:vrrc = nofpexcept XSCVQPUWZ [[COPY2]]
; CHECK-NEXT: [[COPY7:%[0-9]+]]:vslrc = COPY %8
; CHECK-NEXT: [[COPY8:%[0-9]+]]:vfrc = COPY [[COPY7]].sub_64
; CHECK-NEXT: [[MFVSRWZ1:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY8]]
; CHECK-NEXT: STW killed [[MFVSRWZ1]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
; CHECK-NEXT: %11:vrrc = nofpexcept XSCVQPSDZ [[COPY2]]
; CHECK-NEXT: %12:g8rc = nofpexcept MFVRD killed %11
; CHECK-NEXT: STD killed %12, 0, [[COPY]] :: (volatile store (s64) into %ir.addr2)
; CHECK-NEXT: %13:vrrc = nofpexcept XSCVQPUDZ [[COPY2]]
; CHECK-NEXT: %14:g8rc = nofpexcept MFVRD killed %13
; CHECK-NEXT: STD killed %14, 0, [[COPY]] :: (volatile store (s64) into %ir.addr2)
; CHECK-NEXT: [[MFFS:%[0-9]+]]:f8rc = MFFS implicit $rm
; CHECK-NEXT: MTFSB1 31, implicit-def $rm, implicit-def $rm
; CHECK-NEXT: MTFSB0 30, implicit-def $rm, implicit-def $rm
; CHECK-NEXT: %15:f8rc = nofpexcept FADD [[COPY3]], [[COPY4]], implicit $rm
; CHECK-NEXT: MTFSFb 1, [[MFFS]], implicit-def $rm
; CHECK-NEXT: %16:vsfrc = nofpexcept XSCVDPSXWS killed %15, implicit $rm
; CHECK-NEXT: [[MFVSRWZ2:%[0-9]+]]:gprc = MFVSRWZ killed %16
; CHECK-NEXT: STW killed [[MFVSRWZ2]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
; CHECK-NEXT: [[ADDIStocHA8_:%[0-9]+]]:g8rc_and_g8rc_nox0 = ADDIStocHA8 $x2, %const.0
; CHECK-NEXT: [[DFLOADf32_:%[0-9]+]]:vssrc = DFLOADf32 target-flags(ppc-toc-lo) %const.0, killed [[ADDIStocHA8_]] :: (load (s32) from constant-pool)
; CHECK-NEXT: [[COPY9:%[0-9]+]]:f8rc = COPY [[DFLOADf32_]]
; CHECK-NEXT: [[FCMPOD:%[0-9]+]]:crrc = FCMPOD [[COPY4]], [[COPY9]]
; CHECK-NEXT: [[COPY10:%[0-9]+]]:crbitrc = COPY [[FCMPOD]].sub_eq
; CHECK-NEXT: [[XXLXORdpz:%[0-9]+]]:f8rc = XXLXORdpz
; CHECK-NEXT: [[FCMPOD1:%[0-9]+]]:crrc = FCMPOD [[COPY3]], [[XXLXORdpz]]
; CHECK-NEXT: [[COPY11:%[0-9]+]]:crbitrc = COPY [[FCMPOD1]].sub_lt
; CHECK-NEXT: [[CRAND:%[0-9]+]]:crbitrc = CRAND killed [[COPY10]], killed [[COPY11]]
; CHECK-NEXT: [[COPY12:%[0-9]+]]:crbitrc = COPY [[FCMPOD]].sub_eq
; CHECK-NEXT: [[COPY13:%[0-9]+]]:crbitrc = COPY [[FCMPOD]].sub_lt
; CHECK-NEXT: [[CRANDC:%[0-9]+]]:crbitrc = CRANDC killed [[COPY13]], killed [[COPY12]]
; CHECK-NEXT: [[CROR:%[0-9]+]]:crbitrc = CROR killed [[CRANDC]], killed [[CRAND]]
; CHECK-NEXT: [[LIS:%[0-9]+]]:gprc_and_gprc_nor0 = LIS 32768
; CHECK-NEXT: [[LI:%[0-9]+]]:gprc_and_gprc_nor0 = LI 0
; CHECK-NEXT: [[ISEL:%[0-9]+]]:gprc = ISEL [[LI]], [[LIS]], [[CROR]]
; CHECK-NEXT: BC [[CROR]], %bb.2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1.entry:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.entry:
; CHECK-NEXT: [[PHI:%[0-9]+]]:f8rc = PHI [[COPY9]], %bb.1, [[XXLXORdpz]], %bb.0
; CHECK-NEXT: ADJCALLSTACKDOWN 32, 0, implicit-def dead $r1, implicit $r1
; CHECK-NEXT: $f1 = COPY [[COPY4]]
; CHECK-NEXT: $f2 = COPY [[COPY3]]
; CHECK-NEXT: $f3 = COPY [[PHI]]
; CHECK-NEXT: $f4 = COPY [[XXLXORdpz]]
; CHECK-NEXT: BL8_NOP &__gcc_qsub, csr_ppc64_altivec, implicit-def dead $lr8, implicit $rm, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $x2, implicit-def $r1, implicit-def $f1, implicit-def $f2
; CHECK-NEXT: ADJCALLSTACKUP 32, 0, implicit-def dead $r1, implicit $r1
; CHECK-NEXT: [[COPY14:%[0-9]+]]:f8rc = COPY $f1
; CHECK-NEXT: [[COPY15:%[0-9]+]]:f8rc = COPY $f2
; CHECK-NEXT: [[MFFS1:%[0-9]+]]:f8rc = MFFS implicit $rm
; CHECK-NEXT: MTFSB1 31, implicit-def $rm, implicit-def $rm
; CHECK-NEXT: MTFSB0 30, implicit-def $rm, implicit-def $rm
; CHECK-NEXT: %37:f8rc = nofpexcept FADD [[COPY15]], [[COPY14]], implicit $rm
; CHECK-NEXT: MTFSFb 1, [[MFFS1]], implicit-def $rm
; CHECK-NEXT: %38:vsfrc = nofpexcept XSCVDPSXWS killed %37, implicit $rm
; CHECK-NEXT: [[MFVSRWZ3:%[0-9]+]]:gprc = MFVSRWZ killed %38
; CHECK-NEXT: [[XOR:%[0-9]+]]:gprc = XOR killed [[MFVSRWZ3]], killed [[ISEL]]
; CHECK-NEXT: STW killed [[XOR]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm
entry:
%conv1 = tail call i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128 %m, metadata !"fpexcept.ignore") #0
store volatile i32 %conv1, ptr %addr1, align 4
%conv2 = tail call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %m, metadata !"fpexcept.ignore") #0
store volatile i32 %conv2, ptr %addr1, align 4
%conv3 = tail call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %m, metadata !"fpexcept.ignore") #0
store volatile i64 %conv3, ptr %addr2, align 8
%conv4 = tail call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %m, metadata !"fpexcept.ignore") #0
store volatile i64 %conv4, ptr %addr2, align 8
%conv5 = tail call i32 @llvm.experimental.constrained.fptosi.i32.ppcf128(ppc_fp128 %p, metadata !"fpexcept.ignore") #0
store volatile i32 %conv5, ptr %addr1, align 4
%conv6 = tail call i32 @llvm.experimental.constrained.fptoui.i32.ppcf128(ppc_fp128 %p, metadata !"fpexcept.ignore") #0
store volatile i32 %conv6, ptr %addr1, align 4
ret void
}
; Verify nofpexcept is NOT set to constrained conversions
define signext i32 @q_to_i32(fp128 %m) #0 {
; CHECK-LABEL: name: q_to_i32
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $v2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vrrc = COPY $v2
; CHECK-NEXT: [[XSCVQPSWZ:%[0-9]+]]:vrrc = XSCVQPSWZ [[COPY]]
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vslrc = COPY [[XSCVQPSWZ]]
; CHECK-NEXT: [[COPY2:%[0-9]+]]:vfrc = COPY [[COPY1]].sub_64
; CHECK-NEXT: [[MFVSRWZ:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY2]]
; CHECK-NEXT: [[EXTSW_32_64_:%[0-9]+]]:g8rc = EXTSW_32_64 killed [[MFVSRWZ]]
; CHECK-NEXT: $x3 = COPY [[EXTSW_32_64_]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $x3
entry:
%conv = tail call i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128 %m, metadata !"fpexcept.strict") #0
ret i32 %conv
}
define i64 @q_to_i64(fp128 %m) #0 {
; CHECK-LABEL: name: q_to_i64
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $v2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vrrc = COPY $v2
; CHECK-NEXT: [[XSCVQPSDZ:%[0-9]+]]:vrrc = XSCVQPSDZ [[COPY]]
; CHECK-NEXT: [[MFVRD:%[0-9]+]]:g8rc = MFVRD killed [[XSCVQPSDZ]]
; CHECK-NEXT: $x3 = COPY [[MFVRD]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $x3
entry:
%conv = tail call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %m, metadata !"fpexcept.strict") #0
ret i64 %conv
}
define i64 @q_to_u64(fp128 %m) #0 {
; CHECK-LABEL: name: q_to_u64
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $v2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vrrc = COPY $v2
; CHECK-NEXT: [[XSCVQPUDZ:%[0-9]+]]:vrrc = XSCVQPUDZ [[COPY]]
; CHECK-NEXT: [[MFVRD:%[0-9]+]]:g8rc = MFVRD killed [[XSCVQPUDZ]]
; CHECK-NEXT: $x3 = COPY [[MFVRD]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $x3
entry:
%conv = tail call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %m, metadata !"fpexcept.strict") #0
ret i64 %conv
}
define zeroext i32 @q_to_u32(fp128 %m) #0 {
; CHECK-LABEL: name: q_to_u32
; CHECK: bb.0.entry:
; CHECK-NEXT: liveins: $v2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vrrc = COPY $v2
; CHECK-NEXT: [[XSCVQPUWZ:%[0-9]+]]:vrrc = XSCVQPUWZ [[COPY]]
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vslrc = COPY [[XSCVQPUWZ]]
; CHECK-NEXT: [[COPY2:%[0-9]+]]:vfrc = COPY [[COPY1]].sub_64
; CHECK-NEXT: [[MFVSRWZ:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY2]]
; CHECK-NEXT: [[DEF:%[0-9]+]]:g8rc = IMPLICIT_DEF
; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:g8rc = INSERT_SUBREG [[DEF]], killed [[MFVSRWZ]], %subreg.sub_32
; CHECK-NEXT: [[RLDICL:%[0-9]+]]:g8rc = RLDICL killed [[INSERT_SUBREG]], 0, 32
; CHECK-NEXT: $x3 = COPY [[RLDICL]]
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $x3
entry:
%conv = tail call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %m, metadata !"fpexcept.strict") #0
ret i32 %conv
}
declare double @llvm.fabs.f64(double)
declare i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128, metadata)
declare i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128, metadata)
declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata)
declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata)
declare i32 @llvm.experimental.constrained.fptosi.i32.ppcf128(ppc_fp128, metadata)
declare i32 @llvm.experimental.constrained.fptoui.i32.ppcf128(ppc_fp128, metadata)
attributes #0 = { strictfp }