1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
; RUN: llc -mtriple=riscv64 -global-isel -stop-after=irtranslator \
; RUN: -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64,RV64I %s
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi=lp64 \
; RUN: -global-isel -stop-after=irtranslator -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64,RV64F %s
; Any tests that would have identical output for some combination of the lp64*
; ABIs belong in calling-conv-*-common.ll. This file contains tests that will
; have different output across those ABIs. i.e. where some arguments would be
; passed according to the floating point ABI.
define i64 @callee_float_in_regs(i64 %a, float %b) nounwind {
; RV64-LABEL: name: callee_float_in_regs
; RV64: bb.1 (%ir-block.0):
; RV64-NEXT: liveins: $x10, $x11
; RV64-NEXT: {{ $}}
; RV64-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; RV64-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x11
; RV64-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
; RV64-NEXT: [[FPTOSI:%[0-9]+]]:_(s64) = G_FPTOSI [[TRUNC]](s32)
; RV64-NEXT: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[COPY]], [[FPTOSI]]
; RV64-NEXT: $x10 = COPY [[ADD]](s64)
; RV64-NEXT: PseudoRET implicit $x10
%b_fptosi = fptosi float %b to i64
%1 = add i64 %a, %b_fptosi
ret i64 %1
}
define i64 @caller_float_in_regs() nounwind {
; RV64I-LABEL: name: caller_float_in_regs
; RV64I: bb.1 (%ir-block.0):
; RV64I-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; RV64I-NEXT: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 2.000000e+00
; RV64I-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $x2, implicit $x2
; RV64I-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[C1]](s32)
; RV64I-NEXT: $x10 = COPY [[C]](s64)
; RV64I-NEXT: $x11 = COPY [[ANYEXT]](s64)
; RV64I-NEXT: PseudoCALL target-flags(riscv-call) @callee_float_in_regs, csr_ilp32_lp64, implicit-def $x1, implicit $x10, implicit $x11, implicit-def $x10
; RV64I-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $x2, implicit $x2
; RV64I-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; RV64I-NEXT: $x10 = COPY [[COPY]](s64)
; RV64I-NEXT: PseudoRET implicit $x10
;
; RV64F-LABEL: name: caller_float_in_regs
; RV64F: bb.1 (%ir-block.0):
; RV64F-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; RV64F-NEXT: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 2.000000e+00
; RV64F-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $x2, implicit $x2
; RV64F-NEXT: $x10 = COPY [[C]](s64)
; RV64F-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[C1]](s32)
; RV64F-NEXT: $x11 = COPY [[ANYEXT]](s64)
; RV64F-NEXT: PseudoCALL target-flags(riscv-call) @callee_float_in_regs, csr_ilp32_lp64, implicit-def $x1, implicit $x10, implicit $x11, implicit-def $x10
; RV64F-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $x2, implicit $x2
; RV64F-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; RV64F-NEXT: $x10 = COPY [[COPY]](s64)
; RV64F-NEXT: PseudoRET implicit $x10
%1 = call i64 @callee_float_in_regs(i64 1, float 2.0)
ret i64 %1
}
define float @callee_tiny_scalar_ret() nounwind {
; RV64-LABEL: name: callee_tiny_scalar_ret
; RV64: bb.1 (%ir-block.0):
; RV64-NEXT: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
; RV64-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[C]](s32)
; RV64-NEXT: $x10 = COPY [[ANYEXT]](s64)
; RV64-NEXT: PseudoRET implicit $x10
ret float 1.0
}
define i64 @caller_tiny_scalar_ret() nounwind {
; RV64-LABEL: name: caller_tiny_scalar_ret
; RV64: bb.1 (%ir-block.0):
; RV64-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $x2, implicit $x2
; RV64-NEXT: PseudoCALL target-flags(riscv-call) @callee_tiny_scalar_ret, csr_ilp32_lp64, implicit-def $x1, implicit-def $x10
; RV64-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $x2, implicit $x2
; RV64-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x10
; RV64-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
; RV64-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[TRUNC]](s32)
; RV64-NEXT: $x10 = COPY [[SEXT]](s64)
; RV64-NEXT: PseudoRET implicit $x10
%1 = call float @callee_tiny_scalar_ret()
%2 = bitcast float %1 to i32
%3 = sext i32 %2 to i64
ret i64 %3
}
|
