Kai Nacke 5403c59c60 [PPC] Opaque pointer migration, part 2.
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, nikic

Differential Revision: https://reviews.llvm.org/D135474
2022-10-11 17:24:06 +00:00

356 lines
13 KiB
LLVM

; RUN: llc -verify-machineinstrs < %s -mcpu=pwr7 -mattr=+vsx | FileCheck %s
; RUN: llc -verify-machineinstrs < %s -mcpu=pwr7 -mattr=+vsx -fast-isel -O0 | FileCheck -check-prefix=CHECK-FISL %s
; XFAIL: *
; Also run with -schedule-ppc-vsx-fma-mutation-early as a stress test for the
; live-interval-updating logic.
; RUN: llc -verify-machineinstrs < %s -mcpu=pwr7 -mattr=+vsx -schedule-ppc-vsx-fma-mutation-early
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
define void @test1(double %a, double %b, double %c, double %e, ptr nocapture %d) #0 {
entry:
%0 = tail call double @llvm.fma.f64(double %b, double %c, double %a)
store double %0, ptr %d, align 8
%1 = tail call double @llvm.fma.f64(double %b, double %e, double %a)
%arrayidx1 = getelementptr inbounds double, ptr %d, i64 1
store double %1, ptr %arrayidx1, align 8
ret void
; CHECK-LABEL: @test1
; CHECK-DAG: li [[C1:[0-9]+]], 8
; CHECK-DAG: xsmaddmdp 3, 2, 1
; CHECK-DAG: xsmaddadp 1, 2, 4
; CHECK-DAG: stxsdx 3, 0, 7
; CHECK-DAG: stxsdx 1, 7, [[C1]]
; CHECK: blr
; CHECK-FISL-LABEL: @test1
; CHECK-FISL-DAG: fmr 0, 1
; CHECK-FISL-DAG: xsmaddadp 0, 2, 3
; CHECK-FISL-DAG: stxsdx 0, 0, 7
; CHECK-FISL-DAG: xsmaddadp 1, 2, 4
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 8
; CHECK-FISL-DAG: stxsdx 1, 7, [[C1]]
; CHECK-FISL: blr
}
define void @test2(double %a, double %b, double %c, double %e, double %f, ptr nocapture %d) #0 {
entry:
%0 = tail call double @llvm.fma.f64(double %b, double %c, double %a)
store double %0, ptr %d, align 8
%1 = tail call double @llvm.fma.f64(double %b, double %e, double %a)
%arrayidx1 = getelementptr inbounds double, ptr %d, i64 1
store double %1, ptr %arrayidx1, align 8
%2 = tail call double @llvm.fma.f64(double %b, double %f, double %a)
%arrayidx2 = getelementptr inbounds double, ptr %d, i64 2
store double %2, ptr %arrayidx2, align 8
ret void
; CHECK-LABEL: @test2
; CHECK-DAG: li [[C1:[0-9]+]], 8
; CHECK-DAG: li [[C2:[0-9]+]], 16
; FIXME: We no longer get this because of copy ordering at the MI level.
; CHECX-DAG: xsmaddmdp 3, 2, 1
; CHECX-DAG: xsmaddmdp 4, 2, 1
; CHECX-DAG: xsmaddadp 1, 2, 5
; CHECX-DAG: stxsdx 3, 0, 8
; CHECX-DAG: stxsdx 4, 8, [[C1]]
; CHECX-DAG: stxsdx 1, 8, [[C2]]
; CHECK: blr
; CHECK-FISL-LABEL: @test2
; CHECK-FISL-DAG: fmr 0, 1
; CHECK-FISL-DAG: xsmaddadp 0, 2, 3
; CHECK-FISL-DAG: stxsdx 0, 0, 8
; CHECK-FISL-DAG: fmr 0, 1
; CHECK-FISL-DAG: xsmaddadp 0, 2, 4
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 8
; CHECK-FISL-DAG: stxsdx 0, 8, [[C1]]
; CHECK-FISL-DAG: xsmaddadp 1, 2, 5
; CHECK-FISL-DAG: li [[C2:[0-9]+]], 16
; CHECK-FISL-DAG: stxsdx 1, 8, [[C2]]
; CHECK-FISL: blr
}
define void @test3(double %a, double %b, double %c, double %e, double %f, ptr nocapture %d) #0 {
entry:
%0 = tail call double @llvm.fma.f64(double %b, double %c, double %a)
store double %0, ptr %d, align 8
%1 = tail call double @llvm.fma.f64(double %b, double %e, double %a)
%2 = tail call double @llvm.fma.f64(double %b, double %c, double %1)
%arrayidx1 = getelementptr inbounds double, ptr %d, i64 3
store double %2, ptr %arrayidx1, align 8
%3 = tail call double @llvm.fma.f64(double %b, double %f, double %a)
%arrayidx2 = getelementptr inbounds double, ptr %d, i64 2
store double %3, ptr %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, ptr %d, i64 1
store double %1, ptr %arrayidx3, align 8
ret void
; CHECK-LABEL: @test3
; CHECK-DAG: fmr [[F1:[0-9]+]], 1
; CHECK-DAG: li [[C1:[0-9]+]], 24
; CHECK-DAG: li [[C2:[0-9]+]], 16
; CHECK-DAG: li [[C3:[0-9]+]], 8
; CHECK-DAG: xsmaddmdp 4, 2, 1
; CHECK-DAG: xsmaddadp 1, 2, 5
; Note: We could convert this next FMA to M-type as well, but it would require
; re-ordering the instructions.
; CHECK-DAG: xsmaddadp [[F1]], 2, 3
; CHECK-DAG: xsmaddmdp 3, 2, 4
; CHECK-DAG: stxsdx [[F1]], 0, 8
; CHECK-DAG: stxsdx 3, 8, [[C1]]
; CHECK-DAG: stxsdx 1, 8, [[C2]]
; CHECK-DAG: stxsdx 4, 8, [[C3]]
; CHECK: blr
; CHECK-FISL-LABEL: @test3
; CHECK-FISL-DAG: fmr [[F1:[0-9]+]], 1
; CHECK-FISL-DAG: xsmaddadp [[F1]], 2, 4
; CHECK-FISL-DAG: fmr 4, [[F1]]
; CHECK-FISL-DAG: xsmaddadp 4, 2, 3
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 24
; CHECK-FISL-DAG: stxsdx 4, 8, [[C1]]
; CHECK-FISL-DAG: xsmaddadp 1, 2, 5
; CHECK-FISL-DAG: li [[C2:[0-9]+]], 16
; CHECK-FISL-DAG: stxsdx 1, 8, [[C2]]
; CHECK-FISL-DAG: li [[C3:[0-9]+]], 8
; CHECK-FISL-DAG: stxsdx 0, 8, [[C3]]
; CHECK-FISL: blr
}
define void @test4(double %a, double %b, double %c, double %e, double %f, ptr nocapture %d) #0 {
entry:
%0 = tail call double @llvm.fma.f64(double %b, double %c, double %a)
store double %0, ptr %d, align 8
%1 = tail call double @llvm.fma.f64(double %b, double %e, double %a)
%arrayidx1 = getelementptr inbounds double, ptr %d, i64 1
store double %1, ptr %arrayidx1, align 8
%2 = tail call double @llvm.fma.f64(double %b, double %c, double %1)
%arrayidx3 = getelementptr inbounds double, ptr %d, i64 3
store double %2, ptr %arrayidx3, align 8
%3 = tail call double @llvm.fma.f64(double %b, double %f, double %a)
%arrayidx4 = getelementptr inbounds double, ptr %d, i64 2
store double %3, ptr %arrayidx4, align 8
ret void
; CHECK-LABEL: @test4
; CHECK-DAG: fmr [[F1:[0-9]+]], 1
; CHECK-DAG: li [[C1:[0-9]+]], 8
; CHECK-DAG: li [[C2:[0-9]+]], 16
; CHECK-DAG: xsmaddmdp 4, 2, 1
; Note: We could convert this next FMA to M-type as well, but it would require
; re-ordering the instructions.
; CHECK-DAG: xsmaddadp 1, 2, 5
; CHECK-DAG: xsmaddadp [[F1]], 2, 3
; CHECK-DAG: stxsdx [[F1]], 0, 8
; CHECK-DAG: stxsdx 4, 8, [[C1]]
; CHECK-DAG: li [[C3:[0-9]+]], 24
; CHECK-DAG: xsmaddadp 4, 2, 3
; CHECK-DAG: stxsdx 4, 8, [[C3]]
; CHECK-DAG: stxsdx 1, 8, [[C2]]
; CHECK: blr
; CHECK-FISL-LABEL: @test4
; CHECK-FISL-DAG: fmr [[F1:[0-9]+]], 1
; CHECK-FISL-DAG: xsmaddadp [[F1]], 2, 3
; CHECK-FISL-DAG: stxsdx 0, 0, 8
; CHECK-FISL-DAG: fmr [[F1]], 1
; CHECK-FISL-DAG: xsmaddadp [[F1]], 2, 4
; CHECK-FISL-DAG: li [[C3:[0-9]+]], 8
; CHECK-FISL-DAG: stxsdx 0, 8, [[C3]]
; CHECK-FISL-DAG: xsmaddadp 0, 2, 3
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 24
; CHECK-FISL-DAG: stxsdx 0, 8, [[C1]]
; CHECK-FISL-DAG: xsmaddadp 1, 2, 5
; CHECK-FISL-DAG: li [[C2:[0-9]+]], 16
; CHECK-FISL-DAG: stxsdx 1, 8, [[C2]]
; CHECK-FISL: blr
}
declare double @llvm.fma.f64(double, double, double) #0
define void @testv1(<2 x double> %a, <2 x double> %b, <2 x double> %c, <2 x double> %e, ptr nocapture %d) #0 {
entry:
%0 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %c, <2 x double> %a)
store <2 x double> %0, ptr %d, align 8
%1 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %e, <2 x double> %a)
%arrayidx1 = getelementptr inbounds <2 x double>, ptr %d, i64 1
store <2 x double> %1, ptr %arrayidx1, align 8
ret void
; CHECK-LABEL: @testv1
; CHECK-DAG: xvmaddmdp 36, 35, 34
; CHECK-DAG: xvmaddadp 34, 35, 37
; CHECK-DAG: li [[C1:[0-9]+]], 16
; CHECK-DAG: stxvd2x 36, 0, 3
; CHECK-DAG: stxvd2x 34, 3, [[C1:[0-9]+]]
; CHECK: blr
; CHECK-FISL-LABEL: @testv1
; CHECK-FISL-DAG: xxlor 0, 34, 34
; CHECK-FISL-DAG: xvmaddadp 0, 35, 36
; CHECK-FISL-DAG: stxvd2x 0, 0, 3
; CHECK-FISL-DAG: xvmaddadp 34, 35, 37
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 16
; CHECK-FISL-DAG: stxvd2x 34, 3, [[C1:[0-9]+]]
; CHECK-FISL: blr
}
define void @testv2(<2 x double> %a, <2 x double> %b, <2 x double> %c, <2 x double> %e, <2 x double> %f, ptr nocapture %d) #0 {
entry:
%0 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %c, <2 x double> %a)
store <2 x double> %0, ptr %d, align 8
%1 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %e, <2 x double> %a)
%arrayidx1 = getelementptr inbounds <2 x double>, ptr %d, i64 1
store <2 x double> %1, ptr %arrayidx1, align 8
%2 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %f, <2 x double> %a)
%arrayidx2 = getelementptr inbounds <2 x double>, ptr %d, i64 2
store <2 x double> %2, ptr %arrayidx2, align 8
ret void
; CHECK-LABEL: @testv2
; FIXME: We currently don't get this because of copy ordering on the MI level.
; CHECX-DAG: xvmaddmdp 36, 35, 34
; CHECX-DAG: xvmaddmdp 37, 35, 34
; CHECX-DAG: li [[C1:[0-9]+]], 16
; CHECX-DAG: li [[C2:[0-9]+]], 32
; CHECX-DAG: xvmaddadp 34, 35, 38
; CHECX-DAG: stxvd2x 36, 0, 3
; CHECX-DAG: stxvd2x 37, 3, [[C1:[0-9]+]]
; CHECX-DAG: stxvd2x 34, 3, [[C2:[0-9]+]]
; CHECK: blr
; CHECK-FISL-LABEL: @testv2
; CHECK-FISL-DAG: xxlor 0, 34, 34
; CHECK-FISL-DAG: xvmaddadp 0, 35, 36
; CHECK-FISL-DAG: stxvd2x 0, 0, 3
; CHECK-FISL-DAG: xxlor 0, 34, 34
; CHECK-FISL-DAG: xvmaddadp 0, 35, 37
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 16
; CHECK-FISL-DAG: stxvd2x 0, 3, [[C1:[0-9]+]]
; CHECK-FISL-DAG: xvmaddadp 34, 35, 38
; CHECK-FISL-DAG: li [[C2:[0-9]+]], 32
; CHECK-FISL-DAG: stxvd2x 34, 3, [[C2:[0-9]+]]
; CHECK-FISL: blr
}
define void @testv3(<2 x double> %a, <2 x double> %b, <2 x double> %c, <2 x double> %e, <2 x double> %f, ptr nocapture %d) #0 {
entry:
%0 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %c, <2 x double> %a)
store <2 x double> %0, ptr %d, align 8
%1 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %e, <2 x double> %a)
%2 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %c, <2 x double> %1)
%arrayidx1 = getelementptr inbounds <2 x double>, ptr %d, i64 3
store <2 x double> %2, ptr %arrayidx1, align 8
%3 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %f, <2 x double> %a)
%arrayidx2 = getelementptr inbounds <2 x double>, ptr %d, i64 2
store <2 x double> %3, ptr %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds <2 x double>, ptr %d, i64 1
store <2 x double> %1, ptr %arrayidx3, align 8
ret void
; Note: There is some unavoidable changeability in this variant. If the
; FMAs are reordered differently, the algorithm can pick a different
; multiplicand to destroy, changing the register assignment. There isn't
; a good way to express this possibility, so hopefully this doesn't change
; too often.
; CHECK-LABEL: @testv3
; CHECK-DAG: xxlor [[V1:[0-9]+]], 34, 34
; CHECK-DAG: li [[C1:[0-9]+]], 48
; CHECK-DAG: li [[C2:[0-9]+]], 32
; CHECK-DAG: xvmaddmdp 37, 35, 34
; CHECK-DAG: li [[C3:[0-9]+]], 16
; Note: We could convert this next FMA to M-type as well, but it would require
; re-ordering the instructions.
; CHECK-DAG: xvmaddadp [[V1]], 35, 36
; CHECK-DAG: xvmaddmdp 36, 35, 37
; CHECK-DAG: xvmaddadp 34, 35, 38
; CHECK-DAG: stxvd2x 32, 0, 3
; CHECK-DAG: stxvd2x 36, 3, [[C1]]
; CHECK-DAG: stxvd2x 34, 3, [[C2]]
; CHECK-DAG: stxvd2x 37, 3, [[C3]]
; CHECK: blr
; CHECK-FISL-LABEL: @testv3
; CHECK-FISL-DAG: xxlor [[V1:[0-9]+]], 34, 34
; CHECK-FISL-DAG: xvmaddadp [[V1]], 35, 36
; CHECK-FISL-DAG: stxvd2x [[V1]], 0, 3
; CHECK-FISL-DAG: xxlor [[V2:[0-9]+]], 34, 34
; CHECK-FISL-DAG: xvmaddadp [[V2]], 35, 37
; CHECK-FISL-DAG: xxlor [[V3:[0-9]+]], 0, 0
; CHECK-FISL-DAG: xvmaddadp [[V3]], 35, 36
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 48
; CHECK-FISL-DAG: stxvd2x [[V3]], 3, [[C1]]
; CHECK-FISL-DAG: xvmaddadp 34, 35, 38
; CHECK-FISL-DAG: li [[C2:[0-9]+]], 32
; CHECK-FISL-DAG: stxvd2x 34, 3, [[C2]]
; CHECK-FISL-DAG: li [[C3:[0-9]+]], 16
; CHECK-FISL-DAG: stxvd2x 0, 3, [[C3]]
; CHECK-FISL: blr
}
define void @testv4(<2 x double> %a, <2 x double> %b, <2 x double> %c, <2 x double> %e, <2 x double> %f, ptr nocapture %d) #0 {
entry:
%0 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %c, <2 x double> %a)
store <2 x double> %0, ptr %d, align 8
%1 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %e, <2 x double> %a)
%arrayidx1 = getelementptr inbounds <2 x double>, ptr %d, i64 1
store <2 x double> %1, ptr %arrayidx1, align 8
%2 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %c, <2 x double> %1)
%arrayidx3 = getelementptr inbounds <2 x double>, ptr %d, i64 3
store <2 x double> %2, ptr %arrayidx3, align 8
%3 = tail call <2 x double> @llvm.fma.v2f64(<2 x double> %b, <2 x double> %f, <2 x double> %a)
%arrayidx4 = getelementptr inbounds <2 x double>, ptr %d, i64 2
store <2 x double> %3, ptr %arrayidx4, align 8
ret void
; CHECK-LABEL: @testv4
; CHECK-DAG: xxlor [[V1:[0-9]+]], 34, 34
; CHECK-DAG: xvmaddmdp 37, 35, 34
; CHECK-DAG: li [[C1:[0-9]+]], 16
; CHECK-DAG: li [[C2:[0-9]+]], 32
; CHECK-DAG: xvmaddadp 34, 35, 38
; Note: We could convert this next FMA to M-type as well, but it would require
; re-ordering the instructions.
; CHECK-DAG: xvmaddadp [[V1]], 35, 36
; CHECK-DAG: stxvd2x 32, 0, 3
; CHECK-DAG: stxvd2x 37, 3, [[C1]]
; CHECK-DAG: li [[C3:[0-9]+]], 48
; CHECK-DAG: xvmaddadp 37, 35, 36
; CHECK-DAG: stxvd2x 37, 3, [[C3]]
; CHECK-DAG: stxvd2x 34, 3, [[C2]]
; CHECK: blr
; CHECK-FISL-LABEL: @testv4
; CHECK-FISL-DAG: xxlor [[V1:[0-9]+]], 34, 34
; CHECK-FISL-DAG: xvmaddadp [[V1]], 35, 36
; CHECK-FISL-DAG: stxvd2x 0, 0, 3
; CHECK-FISL-DAG: xxlor [[V2:[0-9]+]], 34, 34
; CHECK-FISL-DAG: xvmaddadp [[V2]], 35, 37
; CHECK-FISL-DAG: li [[C1:[0-9]+]], 16
; CHECK-FISL-DAG: stxvd2x 0, 3, [[C1]]
; CHECK-FISL-DAG: xvmaddadp 0, 35, 37
; CHECK-FISL-DAG: li [[C3:[0-9]+]], 48
; CHECK-FISL-DAG: stxvd2x 0, 3, [[C3]]
; CHECK-FISL-DAG: xvmaddadp 0, 35, 36
; CHECK-FISL-DAG: li [[C2:[0-9]+]], 32
; CHECK-FISL-DAG: stxvd2x 34, 3, [[C2]]
; CHECK-FISL: blr
}
declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) #0
attributes #0 = { nounwind readnone }