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Legalize entry block arguments to match ABI types.

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Insert conversion code that reconstructs the original function argument
types from the legalized ABI signature.

Add abi::legalize_abi_value(). This function is used when adapting code
to a legalized function signature.
This commit is contained in:
Jakob Stoklund Olesen
2017-03-06 13:57:36 -08:00
parent 77492aa463
commit 37b2e94c72
6 changed files with 288 additions and 27 deletions
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11
cranelift/filetests/isa/riscv/abi.cton
View File

@@ -2,6 +2,9 @@
test legalizer
isa riscv
; regex: V=v\d+
; regex: VX=vx\d+
function f(i32) {
sig0 = signature(i32) -> i32
@@ -21,3 +24,11 @@ function f(i32) {
ebb0(v0: i32):
return_reg v0
}
function int_split_args(i64) -> i64 {
ebb0(v0: i64):
; check: $ebb0($(v0l=$VX): i32, $(v0h=$VX): i32):
; check: iconcat_lohi $v0l, $v0h
v1 = iadd_imm v0, 1
return v0
}

16
cranelift/filetests/isa/riscv/legalize-i64.cton
View File

@@ -10,8 +10,8 @@ ebb0(v1: i64, v2: i64):
v3 = band v1, v2
return v3
}
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi $v1
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi $v2
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi
; check: [R#ec
; sameln: $(v3l=$V) = band $v1l, $v2l
; check: [R#ec
@@ -23,8 +23,8 @@ ebb0(v1: i64, v2: i64):
v3 = bor v1, v2
return v3
}
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi $v1
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi $v2
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi
; check: [R#cc
; sameln: $(v3l=$V) = bor $v1l, $v2l
; check: [R#cc
@@ -36,8 +36,8 @@ ebb0(v1: i64, v2: i64):
v3 = bxor v1, v2
return v3
}
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi $v1
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi $v2
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi
; check: [R#8c
; sameln: $(v3l=$V) = bxor $v1l, $v2l
; check: [R#8c
@@ -52,8 +52,8 @@ ebb0(v1: i64, v2: i64):
v3 = iadd v1, v2
return v3
}
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi $v1
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi $v2
; check: $(v1l=$V), $(v1h=$VX) = isplit_lohi
; check: $(v2l=$V), $(v2h=$VX) = isplit_lohi
; check: [R#0c
; sameln: $(v3l=$V) = iadd $v1l, $v2l
; check: $(c=$V) = icmp ult, $v3l, $v1l