| ; RUN: llc < %s -march=sparcv9 -disable-sparc-delay-filler | FileCheck %s |
| |
| ; CHECK: intarg |
| ; The save/restore frame is not strictly necessary here, but we would need to |
| ; refer to %o registers instead. |
| ; CHECK: save %sp, -128, %sp |
| ; CHECK: stb %i0, [%i4] |
| ; CHECK: stb %i1, [%i4] |
| ; CHECK: sth %i2, [%i4] |
| ; CHECK: st %i3, [%i4] |
| ; CHECK: stx %i4, [%i4] |
| ; CHECK: st %i5, [%i4] |
| ; CHECK: ld [%fp+2227], [[R:%[gilo][0-7]]] |
| ; CHECK: st [[R]], [%i4] |
| ; CHECK: ldx [%fp+2231], [[R:%[gilo][0-7]]] |
| ; CHECK: stx [[R]], [%i4] |
| ; CHECK: restore |
| define void @intarg(i8 %a0, ; %i0 |
| i8 %a1, ; %i1 |
| i16 %a2, ; %i2 |
| i32 %a3, ; %i3 |
| i8* %a4, ; %i4 |
| i32 %a5, ; %i5 |
| i32 signext %a6, ; [%fp+BIAS+176] |
| i8* %a7) { ; [%fp+BIAS+184] |
| store i8 %a0, i8* %a4 |
| store i8 %a1, i8* %a4 |
| %p16 = bitcast i8* %a4 to i16* |
| store i16 %a2, i16* %p16 |
| %p32 = bitcast i8* %a4 to i32* |
| store i32 %a3, i32* %p32 |
| %pp = bitcast i8* %a4 to i8** |
| store i8* %a4, i8** %pp |
| store i32 %a5, i32* %p32 |
| store i32 %a6, i32* %p32 |
| store i8* %a7, i8** %pp |
| ret void |
| } |
| |
| ; CHECK: call_intarg |
| ; 16 saved + 8 args. |
| ; CHECK: save %sp, -192, %sp |
| ; Sign-extend and store the full 64 bits. |
| ; CHECK: sra %i0, 0, [[R:%[gilo][0-7]]] |
| ; CHECK: stx [[R]], [%sp+2223] |
| ; Use %o0-%o5 for outgoing arguments |
| ; CHECK: or %g0, 5, %o5 |
| ; CHECK: call intarg |
| ; CHECK-NOT: add %sp |
| ; CHECK: restore |
| define void @call_intarg(i32 %i0, i8* %i1) { |
| call void @intarg(i8 0, i8 1, i16 2, i32 3, i8* undef, i32 5, i32 %i0, i8* %i1) |
| ret void |
| } |
| |
| ; CHECK: floatarg |
| ; CHECK: save %sp, -128, %sp |
| ; CHECK: fstod %f1, |
| ; CHECK: faddd %f2, |
| ; CHECK: faddd %f4, |
| ; CHECK: faddd %f6, |
| ; CHECK: ld [%fp+2307], [[F:%f[0-9]+]] |
| ; CHECK: fadds %f31, [[F]] |
| define double @floatarg(float %a0, ; %f1 |
| double %a1, ; %d2 |
| double %a2, ; %d4 |
| double %a3, ; %d6 |
| float %a4, ; %f9 |
| float %a5, ; %f11 |
| float %a6, ; %f13 |
| float %a7, ; %f15 |
| float %a8, ; %f17 |
| float %a9, ; %f19 |
| float %a10, ; %f21 |
| float %a11, ; %f23 |
| float %a12, ; %f25 |
| float %a13, ; %f27 |
| float %a14, ; %f29 |
| float %a15, ; %f31 |
| float %a16, ; [%fp+BIAS+256] (using 8 bytes) |
| double %a17) { ; [%fp+BIAS+264] (using 8 bytes) |
| %d0 = fpext float %a0 to double |
| %s1 = fadd double %a1, %d0 |
| %s2 = fadd double %a2, %s1 |
| %s3 = fadd double %a3, %s2 |
| %s16 = fadd float %a15, %a16 |
| %d16 = fpext float %s16 to double |
| %s17 = fadd double %d16, %s3 |
| ret double %s17 |
| } |
| |
| ; CHECK: call_floatarg |
| ; CHECK: save %sp, -272, %sp |
| ; Store 4 bytes, right-aligned in slot. |
| ; CHECK: st %f1, [%sp+2307] |
| ; Store 8 bytes in full slot. |
| ; CHECK: std %f2, [%sp+2311] |
| ; CHECK: fmovd %f2, %f4 |
| ; CHECK: call floatarg |
| ; CHECK-NOT: add %sp |
| ; CHECK: restore |
| define void @call_floatarg(float %f1, double %d2, float %f5, double *%p) { |
| %r = call double @floatarg(float %f5, double %d2, double %d2, double %d2, |
| float %f5, float %f5, float %f5, float %f5, |
| float %f5, float %f5, float %f5, float %f5, |
| float %f5, float %f5, float %f5, float %f5, |
| float %f1, double %d2) |
| store double %r, double* %p |
| ret void |
| } |
| |
| ; CHECK: mixedarg |
| ; CHECK: fstod %f3 |
| ; CHECK: faddd %f6 |
| ; CHECK: faddd %f16 |
| ; CHECK: ldx [%fp+2231] |
| ; CHECK: ldx [%fp+2247] |
| define void @mixedarg(i8 %a0, ; %i0 |
| float %a1, ; %f3 |
| i16 %a2, ; %i2 |
| double %a3, ; %d6 |
| i13 %a4, ; %i4 |
| float %a5, ; %f11 |
| i64 %a6, ; [%fp+BIAS+176] |
| double *%a7, ; [%fp+BIAS+184] |
| double %a8, ; %d16 |
| i16* %a9) { ; [%fp+BIAS+200] |
| %d1 = fpext float %a1 to double |
| %s3 = fadd double %a3, %d1 |
| %s8 = fadd double %a8, %s3 |
| store double %s8, double* %a7 |
| store i16 %a2, i16* %a9 |
| ret void |
| } |
| |
| ; CHECK: call_mixedarg |
| ; CHECK: stx %i2, [%sp+2247] |
| ; CHECK: stx %i0, [%sp+2223] |
| ; CHECK: fmovd %f2, %f6 |
| ; CHECK: fmovd %f2, %f16 |
| ; CHECK: call mixedarg |
| ; CHECK-NOT: add %sp |
| ; CHECK: restore |
| define void @call_mixedarg(i64 %i0, double %f2, i16* %i2) { |
| call void @mixedarg(i8 undef, |
| float undef, |
| i16 undef, |
| double %f2, |
| i13 undef, |
| float undef, |
| i64 %i0, |
| double* undef, |
| double %f2, |
| i16* %i2) |
| ret void |
| } |
| |
| ; The inreg attribute is used to indicate 32-bit sized struct elements that |
| ; share an 8-byte slot. |
| ; CHECK: inreg_fi |
| ; CHECK: fstoi %f1 |
| ; CHECK: srlx %i0, 32, [[R:%[gilo][0-7]]] |
| ; CHECK: sub [[R]], |
| define i32 @inreg_fi(i32 inreg %a0, ; high bits of %i0 |
| float inreg %a1) { ; %f1 |
| %b1 = fptosi float %a1 to i32 |
| %rv = sub i32 %a0, %b1 |
| ret i32 %rv |
| } |
| |
| ; CHECK: call_inreg_fi |
| ; Allocate space for 6 arguments, even when only 2 are used. |
| ; CHECK: save %sp, -176, %sp |
| ; CHECK: sllx %i1, 32, %o0 |
| ; CHECK: fmovs %f5, %f1 |
| ; CHECK: call inreg_fi |
| define void @call_inreg_fi(i32* %p, i32 %i1, float %f5) { |
| %x = call i32 @inreg_fi(i32 %i1, float %f5) |
| ret void |
| } |
| |
| ; CHECK: inreg_ff |
| ; CHECK: fsubs %f0, %f1, %f1 |
| define float @inreg_ff(float inreg %a0, ; %f0 |
| float inreg %a1) { ; %f1 |
| %rv = fsub float %a0, %a1 |
| ret float %rv |
| } |
| |
| ; CHECK: call_inreg_ff |
| ; CHECK: fmovs %f3, %f0 |
| ; CHECK: fmovs %f5, %f1 |
| ; CHECK: call inreg_ff |
| define void @call_inreg_ff(i32* %p, float %f3, float %f5) { |
| %x = call float @inreg_ff(float %f3, float %f5) |
| ret void |
| } |
| |
| ; CHECK: inreg_if |
| ; CHECK: fstoi %f0 |
| ; CHECK: sub %i0 |
| define i32 @inreg_if(float inreg %a0, ; %f0 |
| i32 inreg %a1) { ; low bits of %i0 |
| %b0 = fptosi float %a0 to i32 |
| %rv = sub i32 %a1, %b0 |
| ret i32 %rv |
| } |
| |
| ; CHECK: call_inreg_if |
| ; CHECK: fmovs %f3, %f0 |
| ; CHECK: or %g0, %i2, %o0 |
| ; CHECK: call inreg_if |
| define void @call_inreg_if(i32* %p, float %f3, i32 %i2) { |
| %x = call i32 @inreg_if(float %f3, i32 %i2) |
| ret void |
| } |
| |
| ; The frontend shouldn't do this. Just pass i64 instead. |
| ; CHECK: inreg_ii |
| ; CHECK: srlx %i0, 32, [[R:%[gilo][0-7]]] |
| ; CHECK: sub %i0, [[R]], %i0 |
| define i32 @inreg_ii(i32 inreg %a0, ; high bits of %i0 |
| i32 inreg %a1) { ; low bits of %i0 |
| %rv = sub i32 %a1, %a0 |
| ret i32 %rv |
| } |
| |
| ; CHECK: call_inreg_ii |
| ; CHECK: srl %i2, 0, [[R2:%[gilo][0-7]]] |
| ; CHECK: sllx %i1, 32, [[R1:%[gilo][0-7]]] |
| ; CHECK: or [[R1]], [[R2]], %o0 |
| ; CHECK: call inreg_ii |
| define void @call_inreg_ii(i32* %p, i32 %i1, i32 %i2) { |
| %x = call i32 @inreg_ii(i32 %i1, i32 %i2) |
| ret void |
| } |
| |
| ; Structs up to 32 bytes in size can be returned in registers. |
| ; CHECK: ret_i64_pair |
| ; CHECK: ldx [%i2], %i0 |
| ; CHECK: ldx [%i3], %i1 |
| define { i64, i64 } @ret_i64_pair(i32 %a0, i32 %a1, i64* %p, i64* %q) { |
| %r1 = load i64* %p |
| %rv1 = insertvalue { i64, i64 } undef, i64 %r1, 0 |
| store i64 0, i64* %p |
| %r2 = load i64* %q |
| %rv2 = insertvalue { i64, i64 } %rv1, i64 %r2, 1 |
| ret { i64, i64 } %rv2 |
| } |
| |
| ; CHECK: call_ret_i64_pair |
| ; CHECK: call ret_i64_pair |
| ; CHECK: stx %o0, [%i0] |
| ; CHECK: stx %o1, [%i0] |
| define void @call_ret_i64_pair(i64* %i0) { |
| %rv = call { i64, i64 } @ret_i64_pair(i32 undef, i32 undef, |
| i64* undef, i64* undef) |
| %e0 = extractvalue { i64, i64 } %rv, 0 |
| store i64 %e0, i64* %i0 |
| %e1 = extractvalue { i64, i64 } %rv, 1 |
| store i64 %e1, i64* %i0 |
| ret void |
| } |
| |
| ; This is not a C struct, each member uses 8 bytes. |
| ; CHECK: ret_i32_float_pair |
| ; CHECK: ld [%i2], %i0 |
| ; CHECK: ld [%i3], %f3 |
| define { i32, float } @ret_i32_float_pair(i32 %a0, i32 %a1, |
| i32* %p, float* %q) { |
| %r1 = load i32* %p |
| %rv1 = insertvalue { i32, float } undef, i32 %r1, 0 |
| store i32 0, i32* %p |
| %r2 = load float* %q |
| %rv2 = insertvalue { i32, float } %rv1, float %r2, 1 |
| ret { i32, float } %rv2 |
| } |
| |
| ; CHECK: call_ret_i32_float_pair |
| ; CHECK: call ret_i32_float_pair |
| ; CHECK: st %o0, [%i0] |
| ; CHECK: st %f3, [%i1] |
| define void @call_ret_i32_float_pair(i32* %i0, float* %i1) { |
| %rv = call { i32, float } @ret_i32_float_pair(i32 undef, i32 undef, |
| i32* undef, float* undef) |
| %e0 = extractvalue { i32, float } %rv, 0 |
| store i32 %e0, i32* %i0 |
| %e1 = extractvalue { i32, float } %rv, 1 |
| store float %e1, float* %i1 |
| ret void |
| } |
| |
| ; This is a C struct, each member uses 4 bytes. |
| ; CHECK: ret_i32_float_packed |
| ; CHECK: ld [%i2], [[R:%[gilo][0-7]]] |
| ; CHECK: sllx [[R]], 32, %i0 |
| ; CHECK: ld [%i3], %f1 |
| define inreg { i32, float } @ret_i32_float_packed(i32 %a0, i32 %a1, |
| i32* %p, float* %q) { |
| %r1 = load i32* %p |
| %rv1 = insertvalue { i32, float } undef, i32 %r1, 0 |
| store i32 0, i32* %p |
| %r2 = load float* %q |
| %rv2 = insertvalue { i32, float } %rv1, float %r2, 1 |
| ret { i32, float } %rv2 |
| } |
| |
| ; CHECK: call_ret_i32_float_packed |
| ; CHECK: call ret_i32_float_packed |
| ; CHECK: srlx %o0, 32, [[R:%[gilo][0-7]]] |
| ; CHECK: st [[R]], [%i0] |
| ; CHECK: st %f1, [%i1] |
| define void @call_ret_i32_float_packed(i32* %i0, float* %i1) { |
| %rv = call { i32, float } @ret_i32_float_packed(i32 undef, i32 undef, |
| i32* undef, float* undef) |
| %e0 = extractvalue { i32, float } %rv, 0 |
| store i32 %e0, i32* %i0 |
| %e1 = extractvalue { i32, float } %rv, 1 |
| store float %e1, float* %i1 |
| ret void |
| } |
| |
| ; The C frontend should use i64 to return { i32, i32 } structs, but verify that |
| ; we don't miscompile thi case where both struct elements are placed in %i0. |
| ; CHECK: ret_i32_packed |
| ; CHECK: ld [%i2], [[R1:%[gilo][0-7]]] |
| ; CHECK: ld [%i3], [[R2:%[gilo][0-7]]] |
| ; CHECK: sllx [[R2]], 32, [[R3:%[gilo][0-7]]] |
| ; CHECK: or [[R3]], [[R1]], %i0 |
| define inreg { i32, i32 } @ret_i32_packed(i32 %a0, i32 %a1, |
| i32* %p, i32* %q) { |
| %r1 = load i32* %p |
| %rv1 = insertvalue { i32, i32 } undef, i32 %r1, 1 |
| store i32 0, i32* %p |
| %r2 = load i32* %q |
| %rv2 = insertvalue { i32, i32 } %rv1, i32 %r2, 0 |
| ret { i32, i32 } %rv2 |
| } |
| |
| ; CHECK: call_ret_i32_packed |
| ; CHECK: call ret_i32_packed |
| ; CHECK: srlx %o0, 32, [[R:%[gilo][0-7]]] |
| ; CHECK: st [[R]], [%i0] |
| ; CHECK: st %o0, [%i1] |
| define void @call_ret_i32_packed(i32* %i0, i32* %i1) { |
| %rv = call { i32, i32 } @ret_i32_packed(i32 undef, i32 undef, |
| i32* undef, i32* undef) |
| %e0 = extractvalue { i32, i32 } %rv, 0 |
| store i32 %e0, i32* %i0 |
| %e1 = extractvalue { i32, i32 } %rv, 1 |
| store i32 %e1, i32* %i1 |
| ret void |
| } |
| |
| ; The return value must be sign-extended to 64 bits. |
| ; CHECK: ret_sext |
| ; CHECK: sra %i0, 0, %i0 |
| define signext i32 @ret_sext(i32 %a0) { |
| ret i32 %a0 |
| } |
| |
| ; CHECK: ret_zext |
| ; CHECK: srl %i0, 0, %i0 |
| define zeroext i32 @ret_zext(i32 %a0) { |
| ret i32 %a0 |
| } |
| |
| ; CHECK: ret_nosext |
| ; CHECK-NOT: sra |
| define signext i32 @ret_nosext(i32 signext %a0) { |
| ret i32 %a0 |
| } |
| |
| ; CHECK: ret_nozext |
| ; CHECK-NOT: srl |
| define signext i32 @ret_nozext(i32 signext %a0) { |
| ret i32 %a0 |
| } |
