121541fdcd
This also fixes some missing implicit uses on call instructions, adds missing G_ASSERT_SEXT/ZEXT annotations, and some missing outgoing sext/zexts. This also fixes not respecting tablegen requested type promotions. This starts treating f64 passed in i32 GPRs as a type of custom assignment, which restores some previously XFAILed tests. This is due to getNumRegistersForCallingConv returns a static value, but in this case it is context dependent on other arguments. Most of the ugliness is reproducing a hack CC_MipsO32 uses in SelectionDAG. CC_MipsO32 depends on a bunch of vectors populated from the original IR argument types in MipsCCState. The way this ends up working in GlobalISel is it only ends up inspecting the most recently added vector element. I'm pretty sure there are cleaner ways to do this, but this seemed easier than fixing up the current DAG handling. This is another case where it would be easier of the CCAssignFns were passed the original type instead of only the pre-legalized ones. There's still a lot of junk here that shouldn't be necessary. This also likely breaks big endian handling, but it wasn't complete/tested anyway since the IRTranslator gives up on big endian targets.
125 lines
3.6 KiB
LLVM
125 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32,FP32
|
|
; RUN: llc -O0 -mtriple=mipsel-linux-gnu -mattr=+fp64,+mips32r2 -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32,FP64
|
|
|
|
define float @float_in_fpr(float %a, float %b) {
|
|
; MIPS32-LABEL: float_in_fpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: mov.s $f0, $f14
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
ret float %b
|
|
}
|
|
|
|
define double @double_in_fpr(double %a, double %b) {
|
|
; MIPS32-LABEL: double_in_fpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: mov.d $f0, $f14
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
ret double %b
|
|
}
|
|
|
|
define float @float_in_gpr(i32 %a, float %b) {
|
|
; MIPS32-LABEL: float_in_gpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: mtc1 $5, $f0
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
ret float %b
|
|
}
|
|
|
|
define double @double_in_gpr(i32 %a, double %b) {
|
|
; FP32-LABEL: double_in_gpr:
|
|
; FP32: # %bb.0: # %entry
|
|
; FP32-NEXT: mtc1 $6, $f0
|
|
; FP32-NEXT: mtc1 $7, $f1
|
|
; FP32-NEXT: jr $ra
|
|
; FP32-NEXT: nop
|
|
;
|
|
; FP64-LABEL: double_in_gpr:
|
|
; FP64: # %bb.0: # %entry
|
|
; FP64-NEXT: mtc1 $6, $f0
|
|
; FP64-NEXT: mthc1 $7, $f0
|
|
; FP64-NEXT: jr $ra
|
|
; FP64-NEXT: nop
|
|
entry:
|
|
ret double %b
|
|
}
|
|
|
|
define float @call_float_in_fpr(float %a, float %b) {
|
|
; MIPS32-LABEL: call_float_in_fpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: addiu $sp, $sp, -24
|
|
; MIPS32-NEXT: .cfi_def_cfa_offset 24
|
|
; MIPS32-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
|
|
; MIPS32-NEXT: .cfi_offset 31, -4
|
|
; MIPS32-NEXT: jal float_in_fpr
|
|
; MIPS32-NEXT: nop
|
|
; MIPS32-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
|
|
; MIPS32-NEXT: addiu $sp, $sp, 24
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
%call = call float @float_in_fpr(float %a, float %b)
|
|
ret float %call
|
|
}
|
|
|
|
define double @call_double_in_fpr(double %a, double %b) {
|
|
; MIPS32-LABEL: call_double_in_fpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: addiu $sp, $sp, -24
|
|
; MIPS32-NEXT: .cfi_def_cfa_offset 24
|
|
; MIPS32-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
|
|
; MIPS32-NEXT: .cfi_offset 31, -4
|
|
; MIPS32-NEXT: jal double_in_fpr
|
|
; MIPS32-NEXT: nop
|
|
; MIPS32-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
|
|
; MIPS32-NEXT: addiu $sp, $sp, 24
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
%call = call double @double_in_fpr(double %a, double %b)
|
|
ret double %call
|
|
}
|
|
|
|
define float @call_float_in_gpr(i32 %a, float %b) {
|
|
; MIPS32-LABEL: call_float_in_gpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: addiu $sp, $sp, -24
|
|
; MIPS32-NEXT: .cfi_def_cfa_offset 24
|
|
; MIPS32-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
|
|
; MIPS32-NEXT: .cfi_offset 31, -4
|
|
; MIPS32-NEXT: jal float_in_gpr
|
|
; MIPS32-NEXT: nop
|
|
; MIPS32-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
|
|
; MIPS32-NEXT: addiu $sp, $sp, 24
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
%call = call float @float_in_gpr(i32 %a, float %b)
|
|
ret float %call
|
|
}
|
|
|
|
|
|
define double @call_double_in_gpr(i32 %a, double %b) {
|
|
; MIPS32-LABEL: call_double_in_gpr:
|
|
; MIPS32: # %bb.0: # %entry
|
|
; MIPS32-NEXT: addiu $sp, $sp, -24
|
|
; MIPS32-NEXT: .cfi_def_cfa_offset 24
|
|
; MIPS32-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
|
|
; MIPS32-NEXT: .cfi_offset 31, -4
|
|
; MIPS32-NEXT: jal double_in_gpr
|
|
; MIPS32-NEXT: nop
|
|
; MIPS32-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
|
|
; MIPS32-NEXT: addiu $sp, $sp, 24
|
|
; MIPS32-NEXT: jr $ra
|
|
; MIPS32-NEXT: nop
|
|
entry:
|
|
%call = call double @double_in_gpr(i32 %a, double %b)
|
|
ret double %call
|
|
}
|