1 ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
2 ; RUN: llc -mtriple=riscv32 -global-isel -stop-after=irtranslator \
3 ; RUN: -verify-machineinstrs < %s | FileCheck -check-prefix=RV32I %s
5 ; Any tests that would have identical output for some combination of the ilp32*
6 ; ABIs belong in calling-conv-*-common.ll. This file contains tests that will
7 ; have different output across those ABIs. i.e. where some arguments would be
8 ; passed according to the floating point ABI.
10 define i32 @callee_float_in_regs(i32 %a, float %b) nounwind {
11 ; RV32I-LABEL: name: callee_float_in_regs
12 ; RV32I: bb.1 (%ir-block.0):
13 ; RV32I-NEXT: liveins: $x10, $x11
15 ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
16 ; RV32I-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
17 ; RV32I-NEXT: [[FPTOSI:%[0-9]+]]:_(s32) = G_FPTOSI [[COPY1]](s32)
18 ; RV32I-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[COPY]], [[FPTOSI]]
19 ; RV32I-NEXT: $x10 = COPY [[ADD]](s32)
20 ; RV32I-NEXT: PseudoRET implicit $x10
21 %b_fptosi = fptosi float %b to i32
22 %1 = add i32 %a, %b_fptosi
26 define i32 @caller_float_in_regs() nounwind {
27 ; RV32I-LABEL: name: caller_float_in_regs
28 ; RV32I: bb.1 (%ir-block.0):
29 ; RV32I-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
30 ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 2.000000e+00
31 ; RV32I-NEXT: $x10 = COPY [[C]](s32)
32 ; RV32I-NEXT: $x11 = COPY [[C1]](s32)
33 ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @callee_float_in_regs, implicit-def $x1, implicit $x10, implicit $x11, implicit-def $x10
34 ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
35 ; RV32I-NEXT: $x10 = COPY [[COPY]](s32)
36 ; RV32I-NEXT: PseudoRET implicit $x10
37 %1 = call i32 @callee_float_in_regs(i32 1, float 2.0)
41 define i32 @callee_float_on_stack(i64 %a, i64 %b, i64 %c, i64 %d, float %e) nounwind {
42 ; RV32I-LABEL: name: callee_float_on_stack
43 ; RV32I: bb.1 (%ir-block.0):
44 ; RV32I-NEXT: liveins: $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17
46 ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
47 ; RV32I-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x11
48 ; RV32I-NEXT: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
49 ; RV32I-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $x12
50 ; RV32I-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $x13
51 ; RV32I-NEXT: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
52 ; RV32I-NEXT: [[COPY4:%[0-9]+]]:_(s32) = COPY $x14
53 ; RV32I-NEXT: [[COPY5:%[0-9]+]]:_(s32) = COPY $x15
54 ; RV32I-NEXT: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY5]](s32)
55 ; RV32I-NEXT: [[COPY6:%[0-9]+]]:_(s32) = COPY $x16
56 ; RV32I-NEXT: [[COPY7:%[0-9]+]]:_(s32) = COPY $x17
57 ; RV32I-NEXT: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY6]](s32), [[COPY7]](s32)
58 ; RV32I-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
59 ; RV32I-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (load (s32) from %fixed-stack.0, align 16)
60 ; RV32I-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[MV3]](s64)
61 ; RV32I-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[TRUNC]], [[LOAD]]
62 ; RV32I-NEXT: $x10 = COPY [[ADD]](s32)
63 ; RV32I-NEXT: PseudoRET implicit $x10
64 %1 = trunc i64 %d to i32
65 %2 = bitcast float %e to i32
70 define i32 @caller_float_on_stack() nounwind {
71 ; RV32I-LABEL: name: caller_float_on_stack
72 ; RV32I: bb.1 (%ir-block.0):
73 ; RV32I-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
74 ; RV32I-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
75 ; RV32I-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
76 ; RV32I-NEXT: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
77 ; RV32I-NEXT: [[C4:%[0-9]+]]:_(s32) = G_FCONSTANT float 5.000000e+00
78 ; RV32I-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C]](s64)
79 ; RV32I-NEXT: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C1]](s64)
80 ; RV32I-NEXT: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C2]](s64)
81 ; RV32I-NEXT: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C3]](s64)
82 ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x2
83 ; RV32I-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
84 ; RV32I-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s32)
85 ; RV32I-NEXT: G_STORE [[C4]](s32), [[PTR_ADD]](p0) :: (store (s32) into stack, align 16)
86 ; RV32I-NEXT: $x10 = COPY [[UV]](s32)
87 ; RV32I-NEXT: $x11 = COPY [[UV1]](s32)
88 ; RV32I-NEXT: $x12 = COPY [[UV2]](s32)
89 ; RV32I-NEXT: $x13 = COPY [[UV3]](s32)
90 ; RV32I-NEXT: $x14 = COPY [[UV4]](s32)
91 ; RV32I-NEXT: $x15 = COPY [[UV5]](s32)
92 ; RV32I-NEXT: $x16 = COPY [[UV6]](s32)
93 ; RV32I-NEXT: $x17 = COPY [[UV7]](s32)
94 ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @callee_float_on_stack, implicit-def $x1, implicit $x10, implicit $x11, implicit $x12, implicit $x13, implicit $x14, implicit $x15, implicit $x16, implicit $x17, implicit-def $x10
95 ; RV32I-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $x10
96 ; RV32I-NEXT: $x10 = COPY [[COPY1]](s32)
97 ; RV32I-NEXT: PseudoRET implicit $x10
98 %1 = call i32 @callee_float_on_stack(i64 1, i64 2, i64 3, i64 4, float 5.0)
102 define float @callee_tiny_scalar_ret() nounwind {
103 ; RV32I-LABEL: name: callee_tiny_scalar_ret
104 ; RV32I: bb.1 (%ir-block.0):
105 ; RV32I-NEXT: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
106 ; RV32I-NEXT: $x10 = COPY [[C]](s32)
107 ; RV32I-NEXT: PseudoRET implicit $x10
111 define i32 @caller_tiny_scalar_ret() nounwind {
112 ; RV32I-LABEL: name: caller_tiny_scalar_ret
113 ; RV32I: bb.1 (%ir-block.0):
114 ; RV32I-NEXT: PseudoCALL target-flags(riscv-call) @callee_tiny_scalar_ret, implicit-def $x1, implicit-def $x10
115 ; RV32I-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $x10
116 ; RV32I-NEXT: $x10 = COPY [[COPY]](s32)
117 ; RV32I-NEXT: PseudoRET implicit $x10
118 %1 = call float @callee_tiny_scalar_ret()
119 %2 = bitcast float %1 to i32