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llvm-6502/test/CodeGen/ARM/neon_spill.ll

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Use <def,undef> operands when spilling NEON bundles. MachineOperands that define part of a virtual register must have an <undef> flag if they are not intended as read-modify-write operands. The old trick of adding an <imp-def> operand doesn't work any longer. Fixes PR12177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04 18:40:30 +00:00
; RUN: llc < %s -verify-machineinstrs
Add <imp-def> operands when reloading into physregs. When an instruction only writes sub-registers, it is still necessary to add an <imp-def> operand for the super-register. When reloading into a virtual register, rewriting will add the operand, but when loading directly into a virtual register, the <imp-def> operand is still necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06 02:48:17 +00:00
; RUN: llc < %s -verify-machineinstrs -O0
Use <def,undef> operands when spilling NEON bundles. MachineOperands that define part of a virtual register must have an <undef> flag if they are not intended as read-modify-write operands. The old trick of adding an <imp-def> operand doesn't work any longer. Fixes PR12177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04 18:40:30 +00:00
; PR12177
;
; This test case spills a QQQQ register.
;
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64"
target triple = "armv7-none-linux-gnueabi"
%0 = type { %1*, i32, i32, i32, i8 }
%1 = type { i32 (...)** }
%2 = type { i8*, i8*, i8*, i32 }
%3 = type { %4 }
%4 = type { i32 (...)**, %2, %4*, i8, i8 }
declare arm_aapcs_vfpcc void @func1(%0*, float* nocapture, float* nocapture, %2*) nounwind
declare arm_aapcs_vfpcc %0** @func2()
declare arm_aapcs_vfpcc %2* @func3(%2*, %2*, i32)
declare arm_aapcs_vfpcc %2** @func4()
define arm_aapcs_vfpcc void @foo(%3* nocapture) nounwind align 2 {
call void @llvm.arm.neon.vst4.v4i32(i8* undef, <4 x i32> <i32 0, i32 1065353216, i32 1073741824, i32 1077936128>, <4 x i32> <i32 1082130432, i32 1084227584, i32 1086324736, i32 1088421888>, <4 x i32> <i32 1090519040, i32 1091567616, i32 1092616192, i32 1093664768>, <4 x i32> <i32 1094713344, i32 1095761920, i32 1096810496, i32 1097859072>, i32 16) nounwind
%2 = call arm_aapcs_vfpcc %0** @func2() nounwind
TBAA: remove !tbaa from testing cases when they are not needed. This will make it easier to turn on struct-path aware TBAA since the metadata format will change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188944 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-21 22:20:53 +00:00
%3 = load %0** %2, align 4
Use <def,undef> operands when spilling NEON bundles. MachineOperands that define part of a virtual register must have an <undef> flag if they are not intended as read-modify-write operands. The old trick of adding an <imp-def> operand doesn't work any longer. Fixes PR12177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04 18:40:30 +00:00
store float 0.000000e+00, float* undef, align 4
%4 = call arm_aapcs_vfpcc %2* @func3(%2* undef, %2* undef, i32 2956) nounwind
call arm_aapcs_vfpcc void @func1(%0* %3, float* undef, float* undef, %2* undef)
%5 = call arm_aapcs_vfpcc %0** @func2() nounwind
store float 1.000000e+00, float* undef, align 4
call arm_aapcs_vfpcc void @func1(%0* undef, float* undef, float* undef, %2* undef)
store float 1.500000e+01, float* undef, align 4
%6 = call arm_aapcs_vfpcc %2** @func4() nounwind
%7 = call arm_aapcs_vfpcc %2* @func3(%2* undef, %2* undef, i32 2971) nounwind
%8 = fadd float undef, -1.000000e+05
TBAA: remove !tbaa from testing cases when they are not needed. This will make it easier to turn on struct-path aware TBAA since the metadata format will change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188944 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-21 22:20:53 +00:00
store float %8, float* undef, align 16
Use <def,undef> operands when spilling NEON bundles. MachineOperands that define part of a virtual register must have an <undef> flag if they are not intended as read-modify-write operands. The old trick of adding an <imp-def> operand doesn't work any longer. Fixes PR12177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04 18:40:30 +00:00
%9 = call arm_aapcs_vfpcc i32 @rand() nounwind
%10 = fmul float undef, 2.000000e+05
%11 = fadd float %10, -1.000000e+05
TBAA: remove !tbaa from testing cases when they are not needed. This will make it easier to turn on struct-path aware TBAA since the metadata format will change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188944 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-21 22:20:53 +00:00
store float %11, float* undef, align 4
Use <def,undef> operands when spilling NEON bundles. MachineOperands that define part of a virtual register must have an <undef> flag if they are not intended as read-modify-write operands. The old trick of adding an <imp-def> operand doesn't work any longer. Fixes PR12177. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04 18:40:30 +00:00
call void @llvm.arm.neon.vst4.v4i32(i8* undef, <4 x i32> <i32 0, i32 1065353216, i32 1073741824, i32 1077936128>, <4 x i32> <i32 1082130432, i32 1084227584, i32 1086324736, i32 1088421888>, <4 x i32> <i32 1090519040, i32 1091567616, i32 1092616192, i32 1093664768>, <4 x i32> <i32 1094713344, i32 1095761920, i32 1096810496, i32 1097859072>, i32 16) nounwind
ret void
}
declare void @llvm.arm.neon.vst4.v4i32(i8*, <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32>, i32) nounwind
declare arm_aapcs_vfpcc i32 @rand()
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