llvm-6502/test/CodeGen/Mips/cconv/arguments-float.ll
Eric Christopher fcd3c4065d Move the Mips target to storing the ABI in the TargetMachine rather
than on MipsSubtargetInfo.

This required a bit of massaging in the MC level to handle this since
MC is a) largely a collection of disparate classes with no hierarchy,
and b) there's no overarching equivalent to the TargetMachine, instead
only the subtarget via MCSubtargetInfo (which is the base class of
TargetSubtargetInfo).

We're now storing the ABI in both the TargetMachine level and in the
MC level because the AsmParser and the TargetStreamer both need to
know what ABI we have to parse assembly and emit objects. The target
streamer has a pointer to the one in the asm parser and is updated
when the asm parser is created. This is fragile as the FIXME comment
notes, but shouldn't be a problem in practice since we always
create an asm parser before attempting to emit object code via the
assembler. The TargetMachine now contains the ABI so that the DataLayout
can be constructed dependent upon ABI.

All testcases have been updated to use the -target-abi command line
flag so that we can set the ABI without using a subtarget feature.

Should be no change visible externally here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227102 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-26 17:33:46 +00:00

223 lines
10 KiB
LLVM

; RUN: llc -march=mips -relocation-model=static -soft-float < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=O32 --check-prefix=O32BE %s
; RUN: llc -march=mipsel -relocation-model=static -soft-float < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=O32 --check-prefix=O32LE %s
; RUN-TODO: llc -march=mips64 -relocation-model=static -soft-float -target-abi o32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=O32 %s
; RUN-TODO: llc -march=mips64el -relocation-model=static -soft-float -target-abi o32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=O32 %s
; RUN: llc -march=mips64 -relocation-model=static -soft-float -target-abi n32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=NEW %s
; RUN: llc -march=mips64el -relocation-model=static -soft-float -target-abi n32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=NEW %s
; RUN: llc -march=mips64 -relocation-model=static -soft-float -target-abi n64 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM64 --check-prefix=NEW %s
; RUN: llc -march=mips64el -relocation-model=static -soft-float -target-abi n64 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM64 --check-prefix=NEW %s
; Test the floating point arguments for all ABI's and byte orders as specified
; by section 5 of MD00305 (MIPS ABIs Described).
;
; N32/N64 are identical in this area so their checks have been combined into
; the 'NEW' prefix (the N stands for New).
@bytes = global [11 x i8] zeroinitializer
@dwords = global [11 x i64] zeroinitializer
@floats = global [11 x float] zeroinitializer
@doubles = global [11 x double] zeroinitializer
define void @double_args(double %a, double %b, double %c, double %d, double %e,
double %f, double %g, double %h, double %i) nounwind {
entry:
%0 = getelementptr [11 x double]* @doubles, i32 0, i32 1
store volatile double %a, double* %0
%1 = getelementptr [11 x double]* @doubles, i32 0, i32 2
store volatile double %b, double* %1
%2 = getelementptr [11 x double]* @doubles, i32 0, i32 3
store volatile double %c, double* %2
%3 = getelementptr [11 x double]* @doubles, i32 0, i32 4
store volatile double %d, double* %3
%4 = getelementptr [11 x double]* @doubles, i32 0, i32 5
store volatile double %e, double* %4
%5 = getelementptr [11 x double]* @doubles, i32 0, i32 6
store volatile double %f, double* %5
%6 = getelementptr [11 x double]* @doubles, i32 0, i32 7
store volatile double %g, double* %6
%7 = getelementptr [11 x double]* @doubles, i32 0, i32 8
store volatile double %h, double* %7
%8 = getelementptr [11 x double]* @doubles, i32 0, i32 9
store volatile double %i, double* %8
ret void
}
; ALL-LABEL: double_args:
; We won't test the way the global address is calculated in this test. This is
; just to get the register number for the other checks.
; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(doubles)
; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(doubles)(
; The first four arguments are the same in O32/N32/N64.
; The first argument is floating point but soft-float is enabled so floating
; point registers are not used.
; O32-DAG: sw $4, 8([[R2]])
; O32-DAG: sw $5, 12([[R2]])
; NEW-DAG: sd $4, 8([[R2]])
; O32-DAG: sw $6, 16([[R2]])
; O32-DAG: sw $7, 20([[R2]])
; NEW-DAG: sd $5, 16([[R2]])
; O32 has run out of argument registers and starts using the stack
; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 24($sp)
; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 28($sp)
; O32-DAG: sw [[R3]], 24([[R2]])
; O32-DAG: sw [[R4]], 28([[R2]])
; NEW-DAG: sd $6, 24([[R2]])
; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 32($sp)
; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 36($sp)
; O32-DAG: sw [[R3]], 32([[R2]])
; O32-DAG: sw [[R4]], 36([[R2]])
; NEW-DAG: sd $7, 32([[R2]])
; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 40($sp)
; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 44($sp)
; O32-DAG: sw [[R3]], 40([[R2]])
; O32-DAG: sw [[R4]], 44([[R2]])
; NEW-DAG: sd $8, 40([[R2]])
; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 48($sp)
; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 52($sp)
; O32-DAG: sw [[R3]], 48([[R2]])
; O32-DAG: sw [[R4]], 52([[R2]])
; NEW-DAG: sd $9, 48([[R2]])
; O32-DAG: lw [[R3:\$([0-9]+|gp)]], 56($sp)
; O32-DAG: lw [[R4:\$([0-9]+|gp)]], 60($sp)
; O32-DAG: sw [[R3]], 56([[R2]])
; O32-DAG: sw [[R4]], 60([[R2]])
; NEW-DAG: sd $10, 56([[R2]])
; N32/N64 have run out of registers and starts using the stack too
; O32-DAG: lw [[R3:\$[0-9]+]], 64($sp)
; O32-DAG: lw [[R4:\$[0-9]+]], 68($sp)
; O32-DAG: sw [[R3]], 64([[R2]])
; O32-DAG: sw [[R4]], 68([[R2]])
; NEW-DAG: ld [[R3:\$[0-9]+]], 0($sp)
; NEW-DAG: sd $11, 64([[R2]])
define void @float_args(float %a, float %b, float %c, float %d, float %e,
float %f, float %g, float %h, float %i, float %j)
nounwind {
entry:
%0 = getelementptr [11 x float]* @floats, i32 0, i32 1
store volatile float %a, float* %0
%1 = getelementptr [11 x float]* @floats, i32 0, i32 2
store volatile float %b, float* %1
%2 = getelementptr [11 x float]* @floats, i32 0, i32 3
store volatile float %c, float* %2
%3 = getelementptr [11 x float]* @floats, i32 0, i32 4
store volatile float %d, float* %3
%4 = getelementptr [11 x float]* @floats, i32 0, i32 5
store volatile float %e, float* %4
%5 = getelementptr [11 x float]* @floats, i32 0, i32 6
store volatile float %f, float* %5
%6 = getelementptr [11 x float]* @floats, i32 0, i32 7
store volatile float %g, float* %6
%7 = getelementptr [11 x float]* @floats, i32 0, i32 8
store volatile float %h, float* %7
%8 = getelementptr [11 x float]* @floats, i32 0, i32 9
store volatile float %i, float* %8
%9 = getelementptr [11 x float]* @floats, i32 0, i32 10
store volatile float %j, float* %9
ret void
}
; ALL-LABEL: float_args:
; We won't test the way the global address is calculated in this test. This is
; just to get the register number for the other checks.
; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(floats)
; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(floats)(
; The first four arguments are the same in O32/N32/N64.
; The first argument is floating point but soft-float is enabled so floating
; point registers are not used.
; MD00305 and GCC disagree on this one. MD00305 says that floats are treated
; as 8-byte aligned and occupy two slots on O32. GCC is treating them as 4-byte
; aligned and occupying one slot. We'll use GCC's definition.
; ALL-DAG: sw $4, 4([[R2]])
; ALL-DAG: sw $5, 8([[R2]])
; ALL-DAG: sw $6, 12([[R2]])
; ALL-DAG: sw $7, 16([[R2]])
; O32 has run out of argument registers and starts using the stack
; O32-DAG: lw [[R3:\$[0-9]+]], 16($sp)
; O32-DAG: sw [[R3]], 20([[R2]])
; NEW-DAG: sw $8, 20([[R2]])
; O32-DAG: lw [[R3:\$[0-9]+]], 20($sp)
; O32-DAG: sw [[R3]], 24([[R2]])
; NEW-DAG: sw $9, 24([[R2]])
; O32-DAG: lw [[R3:\$[0-9]+]], 24($sp)
; O32-DAG: sw [[R3]], 28([[R2]])
; NEW-DAG: sw $10, 28([[R2]])
; O32-DAG: lw [[R3:\$[0-9]+]], 28($sp)
; O32-DAG: sw [[R3]], 32([[R2]])
; NEW-DAG: sw $11, 32([[R2]])
; N32/N64 have run out of registers and start using the stack too
; O32-DAG: lw [[R3:\$[0-9]+]], 32($sp)
; O32-DAG: sw [[R3]], 36([[R2]])
; NEW-DAG: lw [[R3:\$[0-9]+]], 0($sp)
; NEW-DAG: sw [[R3]], 36([[R2]])
define void @double_arg2(i8 %a, double %b) nounwind {
entry:
%0 = getelementptr [11 x i8]* @bytes, i32 0, i32 1
store volatile i8 %a, i8* %0
%1 = getelementptr [11 x double]* @doubles, i32 0, i32 1
store volatile double %b, double* %1
ret void
}
; ALL-LABEL: double_arg2:
; We won't test the way the global address is calculated in this test. This is
; just to get the register number for the other checks.
; SYM32-DAG: addiu [[R1:\$[0-9]+]], ${{[0-9]+}}, %lo(bytes)
; SYM64-DAG: ld [[R1:\$[0-9]]], %got_disp(bytes)(
; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(doubles)
; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(doubles)(
; The first four arguments are the same in O32/N32/N64.
; The first argument isn't floating point so floating point registers are not
; used.
; The second slot is insufficiently aligned for double on O32 so it is skipped.
; Also, double occupies two slots on O32 and only one for N32/N64.
; ALL-DAG: sb $4, 1([[R1]])
; O32-DAG: sw $6, 8([[R2]])
; O32-DAG: sw $7, 12([[R2]])
; NEW-DAG: sd $5, 8([[R2]])
define void @float_arg2(i8 signext %a, float %b) nounwind {
entry:
%0 = getelementptr [11 x i8]* @bytes, i32 0, i32 1
store volatile i8 %a, i8* %0
%1 = getelementptr [11 x float]* @floats, i32 0, i32 1
store volatile float %b, float* %1
ret void
}
; ALL-LABEL: float_arg2:
; We won't test the way the global address is calculated in this test. This is
; just to get the register number for the other checks.
; SYM32-DAG: addiu [[R1:\$[0-9]+]], ${{[0-9]+}}, %lo(bytes)
; SYM64-DAG: ld [[R1:\$[0-9]]], %got_disp(bytes)(
; SYM32-DAG: addiu [[R2:\$[0-9]+]], ${{[0-9]+}}, %lo(floats)
; SYM64-DAG: ld [[R2:\$[0-9]]], %got_disp(floats)(
; The first four arguments are the same in O32/N32/N64.
; The first argument isn't floating point so floating point registers are not
; used.
; MD00305 and GCC disagree on this one. MD00305 says that floats are treated
; as 8-byte aligned and occupy two slots on O32. GCC is treating them as 4-byte
; aligned and occupying one slot. We'll use GCC's definition.
; ALL-DAG: sb $4, 1([[R1]])
; ALL-DAG: sw $5, 4([[R2]])