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struct u {
unsigned int f:3;
};
unsigned int upostinc(struct u *x)
{
return x->f++;
}
unsigned int upreinc(struct u *x)
{
return ++x->f;
}
void ucpy(struct u *d, const struct u *s)
{
d->f = s->f;
}
struct s {
signed int f:3;
};
int spostinc(struct s *x)
{
return x->f++;
}
int spreinc(struct s *x)
{
return ++x->f;
}
void scpy(struct s *d, const struct s *s)
{
d->f = s->f;
}
/*
* check-name: bitfield-size
* check-command: test-linearize -m64 -Wno-decl -fdump-ir $file
* check-assert: sizeof(void *) == 8
*
* check-output-start
upostinc:
.L0:
<entry-point>
store.64 %arg1 -> 0[x]
load.64 %r1 <- 0[x]
load.32 %r2 <- 0[%r1]
trunc.3 %r3 <- (32) %r2
zext.32 %r4 <- (3) %r3
add.32 %r5 <- %r4, $1
trunc.3 %r6 <- (32) %r5
load.32 %r7 <- 0[%r1]
zext.32 %r8 <- (3) %r6
and.32 %r9 <- %r7, $0xfffffff8
or.32 %r10 <- %r9, %r8
store.32 %r10 -> 0[%r1]
zext.32 %r11 <- (3) %r4
phisrc.32 %phi1(return) <- %r11
br .L1
.L1:
phi.32 %r12 <- %phi1(return)
ret.32 %r12
upreinc:
.L2:
<entry-point>
store.64 %arg1 -> 0[x]
load.64 %r13 <- 0[x]
load.32 %r14 <- 0[%r13]
trunc.3 %r15 <- (32) %r14
zext.32 %r16 <- (3) %r15
add.32 %r17 <- %r16, $1
trunc.3 %r18 <- (32) %r17
load.32 %r19 <- 0[%r13]
zext.32 %r20 <- (3) %r18
and.32 %r21 <- %r19, $0xfffffff8
or.32 %r22 <- %r21, %r20
store.32 %r22 -> 0[%r13]
zext.32 %r23 <- (3) %r18
phisrc.32 %phi2(return) <- %r23
br .L3
.L3:
phi.32 %r24 <- %phi2(return)
ret.32 %r24
ucpy:
.L4:
<entry-point>
store.64 %arg1 -> 0[d]
store.64 %arg2 -> 0[s]
load.64 %r25 <- 0[s]
load.32 %r26 <- 0[%r25]
trunc.3 %r27 <- (32) %r26
load.64 %r28 <- 0[d]
load.32 %r29 <- 0[%r28]
zext.32 %r30 <- (3) %r27
and.32 %r31 <- %r29, $0xfffffff8
or.32 %r32 <- %r31, %r30
store.32 %r32 -> 0[%r28]
br .L5
.L5:
ret
spostinc:
.L6:
<entry-point>
store.64 %arg1 -> 0[x]
load.64 %r33 <- 0[x]
load.32 %r34 <- 0[%r33]
trunc.3 %r35 <- (32) %r34
sext.32 %r36 <- (3) %r35
add.32 %r37 <- %r36, $1
trunc.3 %r38 <- (32) %r37
load.32 %r39 <- 0[%r33]
zext.32 %r40 <- (3) %r38
and.32 %r41 <- %r39, $0xfffffff8
or.32 %r42 <- %r41, %r40
store.32 %r42 -> 0[%r33]
sext.32 %r43 <- (3) %r36
phisrc.32 %phi3(return) <- %r43
br .L7
.L7:
phi.32 %r44 <- %phi3(return)
ret.32 %r44
spreinc:
.L8:
<entry-point>
store.64 %arg1 -> 0[x]
load.64 %r45 <- 0[x]
load.32 %r46 <- 0[%r45]
trunc.3 %r47 <- (32) %r46
sext.32 %r48 <- (3) %r47
add.32 %r49 <- %r48, $1
trunc.3 %r50 <- (32) %r49
load.32 %r51 <- 0[%r45]
zext.32 %r52 <- (3) %r50
and.32 %r53 <- %r51, $0xfffffff8
or.32 %r54 <- %r53, %r52
store.32 %r54 -> 0[%r45]
sext.32 %r55 <- (3) %r50
phisrc.32 %phi4(return) <- %r55
br .L9
.L9:
phi.32 %r56 <- %phi4(return)
ret.32 %r56
scpy:
.L10:
<entry-point>
store.64 %arg1 -> 0[d]
store.64 %arg2 -> 0[s]
load.64 %r57 <- 0[s]
load.32 %r58 <- 0[%r57]
trunc.3 %r59 <- (32) %r58
load.64 %r60 <- 0[d]
load.32 %r61 <- 0[%r60]
zext.32 %r62 <- (3) %r59
and.32 %r63 <- %r61, $0xfffffff8
or.32 %r64 <- %r63, %r62
store.32 %r64 -> 0[%r60]
br .L11
.L11:
ret
* check-output-end
*/
|