Update skeleton

This commit is contained in:
Jeehoon Kang
2020-05-02 07:52:40 +00:00
parent 3bef06455e
commit f4dc5e426c
11 changed files with 142 additions and 15 deletions

View File

@@ -1,5 +1,5 @@
int main() {
char a = -1;
char a = 127;
char b = a << 1;
unsigned char c = (unsigned char)b >> 1;

44
examples/gvn/gvn.input.ir Normal file
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@@ -0,0 +1,44 @@
fun unit @sink {
init:
bid: b0
allocations:
block b0:
%b0:p0:i32
ret unit:unit
}
fun i32 @gvn {
init:
bid: b0
allocations:
block b0:
%b0:p0:i32:a
%b0:i0:i32:b = add %b0:p0:i32 1:i32
br undef:i1 b1() b2()
block b1:
%b1:i0:i32:b = add %b0:p0:i32 1:i32
%b1:i1:i32:c = add %b1:i0:i32 2:i32
%b1:i2:unit = call @sink(%b1:i0:i32)
j b3()
block b2:
%b2:i0:i32:c = add %b0:i0:i32 2:i32
%b2:i1:unit = call @sink(%b2:i0:i32)
j b3()
block b3:
%b3:i0:i32:b = add %b0:p0:i32 1:i32
%b3:i1:i32:c = add %b3:i0:i32 2:i32
%b3:i2:unit = call @sink(%b3:i0:i32)
%b3:i3:unit = call @sink(%b3:i1:i32)
ret 0:i32
}

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@@ -0,0 +1,46 @@
fun unit @sink {
init:
bid: b0
allocations:
block b0:
%b0:p0:i32
ret unit:unit
}
fun i32 @gvn {
init:
bid: b0
allocations:
block b0:
%b0:p0:i32:a
%b0:i0:i32:b = add %b0:p0:i32 1:i32
br undef:i1 b1() b2()
block b1:
%b1:i0:i32:b = add %b0:p0:i32 1:i32
%b1:i1:i32:c = add %b0:i0:i32 2:i32
%b1:i2:unit = call @sink(%b0:i0:i32)
j b3(%b1:i1:i32)
block b2:
%b2:i0:i32:c = add %b0:i0:i32 2:i32
%b2:i1:unit = call @sink(%b2:i0:i32)
j b3(%b2:i0:i32)
block b3:
%b3:p0:i32
%b3:i0:i32:b = add %b0:p0:i32 1:i32
%b3:i1:i32:c = add %b0:i0:i32 2:i32
%b3:i2:unit = call @sink(%b0:i0:i32)
%b3:i3:unit = call @sink(%b3:p0:i32)
ret 0:i32
}

View File

@@ -45,17 +45,15 @@ block b0:
%b0:i3:unit = nop
%b0:i4:i32 = load %l0:*i32
j b1(37:i32)
j b1()
block b1:
%b1:p0:i32:x
%b1:i0:i32 = load %l0:*i32
%b1:i1:unit = call @sink(undef:i32)
%b1:i2:unit = call @sink(42:i32)
%b1:i3:unit = call @sink(37:i32)
%b1:i4:unit = call @sink(%b1:p0:i32)
%b1:i4:unit = call @sink(37:i32)
ret 0:i32
}