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Print constants in a comment in CLIF output (#4725)

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When trying to read generated CLIF, it's nice to be able to see at a
glance that some of the operands are defined by `iconst` and similar
instructions, without having to go find each operand's definition
manually.
This commit is contained in:
Jamey Sharp
2022-08-17 09:00:20 -07:00
committed by GitHub
parent 2696462ccb
commit 3629bbbd55
7 changed files with 110 additions and 82 deletions
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42
cranelift/frontend/src/switch.rs
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@@ -391,7 +391,7 @@ mod tests {
func,
"block0:
v0 = iconst.i8 0
brz v0, block1
brz v0, block1 ; v0 = 0
jump block0"
);
}
@@ -403,7 +403,7 @@ mod tests {
func,
"block0:
v0 = iconst.i8 0
v1 = icmp_imm eq v0, 1
v1 = icmp_imm eq v0, 1 ; v0 = 0
brnz v1, block1
jump block0"
);
@@ -421,7 +421,7 @@ block0:
jump block3
block3:
v1 = uextend.i32 v0
v1 = uextend.i32 v0 ; v0 = 0
br_table v1, block0, jt0"
);
}
@@ -433,12 +433,12 @@ block3:
func,
"block0:
v0 = iconst.i8 0
v1 = icmp_imm eq v0, 2
v1 = icmp_imm eq v0, 2 ; v0 = 0
brnz v1, block2
jump block3
block3:
brz.i8 v0, block1
brz.i8 v0, block1 ; v0 = 0
jump block0"
);
}
@@ -453,31 +453,31 @@ block3:
block0:
v0 = iconst.i8 0
v1 = icmp_imm uge v0, 7
v1 = icmp_imm uge v0, 7 ; v0 = 0
brnz v1, block9
jump block8
block9:
v2 = icmp_imm.i8 uge v0, 10
v2 = icmp_imm.i8 uge v0, 10 ; v0 = 0
brnz v2, block10
jump block11
block11:
v3 = icmp_imm.i8 eq v0, 7
v3 = icmp_imm.i8 eq v0, 7 ; v0 = 0
brnz v3, block4
jump block0
block8:
v4 = icmp_imm.i8 eq v0, 5
v4 = icmp_imm.i8 eq v0, 5 ; v0 = 0
brnz v4, block3
jump block12
block12:
v5 = uextend.i32 v0
v5 = uextend.i32 v0 ; v0 = 0
br_table v5, block0, jt0
block10:
v6 = iadd_imm.i8 v0, -10
v6 = iadd_imm.i8 v0, -10 ; v0 = 0
v7 = uextend.i32 v6
br_table v7, block0, jt1"
);
@@ -490,12 +490,12 @@ block10:
func,
"block0:
v0 = iconst.i8 0
v1 = icmp_imm eq v0, 128
v1 = icmp_imm eq v0, 128 ; v0 = 0
brnz v1, block1
jump block3
block3:
v2 = icmp_imm.i8 eq v0, 1
v2 = icmp_imm.i8 eq v0, 1 ; v0 = 0
brnz v2, block2
jump block0"
);
@@ -508,12 +508,12 @@ block3:
func,
"block0:
v0 = iconst.i8 0
v1 = icmp_imm eq v0, 127
v1 = icmp_imm eq v0, 127 ; v0 = 0
brnz v1, block1
jump block3
block3:
v2 = icmp_imm.i8 eq v0, 1
v2 = icmp_imm.i8 eq v0, 1 ; v0 = 0
brnz v2, block2
jump block0"
)
@@ -528,12 +528,12 @@ block3:
block0:
v0 = iconst.i8 0
v1 = icmp_imm eq v0, 255
v1 = icmp_imm eq v0, 255 ; v0 = 0
brnz v1, block1
jump block4
block4:
v2 = uextend.i32 v0
v2 = uextend.i32 v0 ; v0 = 0
br_table v2, block0, jt0"
);
}
@@ -626,12 +626,12 @@ block0:
jump block4
block4:
v1 = icmp_imm.i64 ugt v0, 0xffff_ffff
v1 = icmp_imm.i64 ugt v0, 0xffff_ffff ; v0 = 0
brnz v1, block3
jump block5
block5:
v2 = ireduce.i32 v0
v2 = ireduce.i32 v0 ; v0 = 0
br_table v2, block3, jt0"
);
}
@@ -667,12 +667,12 @@ block0:
jump block4
block4:
v1 = icmp_imm.i128 ugt v0, 0xffff_ffff
v1 = icmp_imm.i128 ugt v0, 0xffff_ffff ; v0 = 0
brnz v1, block3
jump block5
block5:
v2 = ireduce.i32 v0
v2 = ireduce.i32 v0 ; v0 = 0
br_table v2, block3, jt0"
);
}