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diff --git a/test/CodeGen/Mips/cconv/arguments-float.ll b/test/CodeGen/Mips/cconv/arguments-float.ll
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+; 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 -mattr=-n64,+o32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=O32 %s
+; RUN-TODO: llc -march=mips64el -relocation-model=static -soft-float -mattr=-n64,+o32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=O32 %s
+
+; RUN: llc -march=mips64 -relocation-model=static -soft-float -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=NEW %s
+; RUN: llc -march=mips64el -relocation-model=static -soft-float -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM32 --check-prefix=NEW %s
+
+; RUN: llc -march=mips64 -relocation-model=static -soft-float -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=SYM64 --check-prefix=NEW %s
+; RUN: llc -march=mips64el -relocation-model=static -soft-float -mattr=-n64,+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 $6, 24([[R2]])
+
+; O32-DAG: lw [[R3:\$[0-9]+]], 32($sp)
+; O32-DAG: lw [[R4:\$[0-9]+]], 36($sp)
+; O32-DAG: sw [[R3]], 32([[R2]])
+; O32-DAG: sw [[R4]], 36([[R2]])
+; NEW-DAG: sd $7, 32([[R2]])
+
+; O32-DAG: lw [[R3:\$[0-9]+]], 40($sp)
+; O32-DAG: lw [[R4:\$[0-9]+]], 44($sp)
+; O32-DAG: sw [[R3]], 40([[R2]])
+; O32-DAG: sw [[R4]], 44([[R2]])
+; NEW-DAG: sd $8, 40([[R2]])
+
+; O32-DAG: lw [[R3:\$[0-9]+]], 48($sp)
+; O32-DAG: lw [[R4:\$[0-9]+]], 52($sp)
+; O32-DAG: sw [[R3]], 48([[R2]])
+; O32-DAG: sw [[R4]], 52([[R2]])
+; NEW-DAG: sd $9, 48([[R2]])
+
+; O32-DAG: lw [[R3:\$[0-9]+]], 56($sp)
+; O32-DAG: lw [[R4:\$[0-9]+]], 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 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: 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 %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]])