diff options
Diffstat (limited to 'validation/mem2reg')
27 files changed, 602 insertions, 0 deletions
diff --git a/validation/mem2reg/address-used00.c b/validation/mem2reg/address-used00.c new file mode 100644 index 00000000..f2d6c87b --- /dev/null +++ b/validation/mem2reg/address-used00.c @@ -0,0 +1,19 @@ +int foo(int **g, int j) +{ + int i = 1; + int *a; + int **p; + + a = &i; + p = &a; + *p[0] = 0; + return i; +} + +/* + * check-name: address-used00 + * check-command: test-linearize -Wno-decl -fdump-ir=final $file + * check-known-to-fail + * check-output-ignore + * check-output-excludes: ret\\..* \\$1 + */ diff --git a/validation/mem2reg/broken-phi02.c b/validation/mem2reg/broken-phi02.c new file mode 100644 index 00000000..69776e0f --- /dev/null +++ b/validation/mem2reg/broken-phi02.c @@ -0,0 +1,28 @@ +int foo(int a, int b) +{ + int x; + int i; + + if (a) + i = 0; + else + i = 1; + + x = 0; + if (b) + x = i; + return x; +} + +/* + * check-name: broken-phi02 + * check-description: + * This is an indirect test to check correctness of phi-node placement. + * The misplaced phi-node for 'i' (not at the meet point but where 'i' + * is used) causes a missed select-conversion at later stage. + * + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * check-output-ignore + * check-output-contains: select\\. + */ diff --git a/validation/mem2reg/broken-phi03.c b/validation/mem2reg/broken-phi03.c new file mode 100644 index 00000000..58b47979 --- /dev/null +++ b/validation/mem2reg/broken-phi03.c @@ -0,0 +1,29 @@ +int foo(int a, int b) +{ + int x; + int i; + + switch (a) { + case 0: i = 0; break; + case 1: i = 1; break; + default: i = -1; break; + } + + x = 0; + if (b) + x = i; + return x; +} + +/* + * check-name: broken-phi03 + * check-description: + * This is an indirect test to check correctness of phi-node placement. + * The misplaced phi-node for 'i' (not at the meet point but where 'i' + * is used) causes a missed select-conversion at later stage. + * + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * check-output-ignore + * check-output-contains: select\\. + */ diff --git a/validation/mem2reg/cond-expr.c b/validation/mem2reg/cond-expr.c new file mode 100644 index 00000000..f38564ef --- /dev/null +++ b/validation/mem2reg/cond-expr.c @@ -0,0 +1,13 @@ +int fun(int); + +int foo(int a, int b, int c) +{ + return a ? fun(b) : fun(c); +} + +/* + * check-name: cond-expr + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(2): phi\\. + */ diff --git a/validation/mem2reg/cond-expr5.c b/validation/mem2reg/cond-expr5.c new file mode 100644 index 00000000..6c1e1c34 --- /dev/null +++ b/validation/mem2reg/cond-expr5.c @@ -0,0 +1,18 @@ +int foo(int p, int q, int a) +{ + if (p) + a = 0; + if (q) + a = 1; + + return a; +} + +/* + * check-name: cond-expr5 + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\. + * check-output-excludes: store\\. + * check-output-pattern(2): phi\\. + */ diff --git a/validation/mem2reg/global-direct-undef.c b/validation/mem2reg/global-direct-undef.c new file mode 100644 index 00000000..34960e74 --- /dev/null +++ b/validation/mem2reg/global-direct-undef.c @@ -0,0 +1,23 @@ +int a, c, d; + +int foo(void) +{ + int b, e; + if (a) + b = c; + else + b = d; + if (c) + a = b; + if (b) + e = a; + return e; +} + +/* + * check-name: global direct undef + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(4,5): load\\. + * check-output-pattern(1): store\\. + */ diff --git a/validation/mem2reg/global-direct.c b/validation/mem2reg/global-direct.c new file mode 100644 index 00000000..ea5d42dc --- /dev/null +++ b/validation/mem2reg/global-direct.c @@ -0,0 +1,23 @@ +int a, c, d; + +int foo(void) +{ + int b, e = 0; + if (a) + b = c; + else + b = d; + if (c) + a = b; + if (b) + e = a; + return e; +} + +/* + * check-name: global direct + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(4,5): load\\. + * check-output-pattern(1): store\\. + */ diff --git a/validation/mem2reg/global-loop.c b/validation/mem2reg/global-loop.c new file mode 100644 index 00000000..a232f7ed --- /dev/null +++ b/validation/mem2reg/global-loop.c @@ -0,0 +1,20 @@ +struct s { + int c; + int a[]; +} s; +int f; + +void fun(void); +void foo(void) +{ + for (f = 1;;) + if (s.a[f]) + fun(); +} + +/* + * check-name: global var as loop index + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-contains: load\\..*\\[f\\] + */ diff --git a/validation/mem2reg/global-noalias.c b/validation/mem2reg/global-noalias.c new file mode 100644 index 00000000..b78b5117 --- /dev/null +++ b/validation/mem2reg/global-noalias.c @@ -0,0 +1,21 @@ +int a, b, c, d, e; + +void foo(void) +{ + if (a) + b = c; + else + b = d; + if (c) + a = b; + if (b) + e = a; +} + +/* + * check-name: global no-alias + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(4,7): load\\. + * check-output-pattern(4): store\\. + */ diff --git a/validation/mem2reg/global-pointer.c b/validation/mem2reg/global-pointer.c new file mode 100644 index 00000000..d312577a --- /dev/null +++ b/validation/mem2reg/global-pointer.c @@ -0,0 +1,26 @@ +int a, c, d; + +int foo_ptr(void) +{ + int b, *bp = &b; + int e, *ep = &e; + + if (a) + *bp = c; + else + *bp = d; + if (c) + a = *bp; + if (b) + e = a; + return e; +} + +/* + * check-name: global pointer + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-known-to-fail + * check-output-ignore + * check-output-pattern(4,5): load\\. + * check-output-pattern(3): store\\. + */ diff --git a/validation/mem2reg/if-direct.c b/validation/mem2reg/if-direct.c new file mode 100644 index 00000000..1b5a07cc --- /dev/null +++ b/validation/mem2reg/if-direct.c @@ -0,0 +1,19 @@ +int foo(int c, int a, int b) +{ + int l; + + if (c) + l = a; + else + l = b; + + return l; +} + +/* + * check-name: if-then-else direct + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\. + * check-output-contains: phi\\. + */ diff --git a/validation/mem2reg/if-pointer.c b/validation/mem2reg/if-pointer.c new file mode 100644 index 00000000..acfceb71 --- /dev/null +++ b/validation/mem2reg/if-pointer.c @@ -0,0 +1,21 @@ +int foo(int c, int a, int b) +{ + int l, *p = &l; + + if (c) + *p = a; + else + *p = b; + + return l + *p; +} + +/* + * check-name: if-then-else pointer + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-known-to-fail + * check-output-ignore + * check-output-excludes: load\\. + * check-output-excludes: store\\. + * check-output-contains: phi\\. + */ diff --git a/validation/mem2reg/init-global-array.c b/validation/mem2reg/init-global-array.c new file mode 100644 index 00000000..aea4135a --- /dev/null +++ b/validation/mem2reg/init-global-array.c @@ -0,0 +1,17 @@ +struct { + int a[2]; +} s; + +int sarray(void) +{ + s.a[1] = 1; + return s.a[1]; +} + +/* + * check-name: init global array + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\. + * check-output-pattern(1): store\\. + */ diff --git a/validation/mem2reg/init-local-array.c b/validation/mem2reg/init-local-array.c new file mode 100644 index 00000000..2ac53bc7 --- /dev/null +++ b/validation/mem2reg/init-local-array.c @@ -0,0 +1,25 @@ +int array(void) +{ + int a[2]; + + a[1] = 1; + return a[1]; +} + +int sarray(void) +{ + struct { + int a[2]; + } s; + + s.a[1] = 1; + return s.a[1]; +} + +/* + * check-name: init local array + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\. + * check-output-excludes: store\\. + */ diff --git a/validation/mem2reg/init-local-union0.c b/validation/mem2reg/init-local-union0.c new file mode 100644 index 00000000..3a57e781 --- /dev/null +++ b/validation/mem2reg/init-local-union0.c @@ -0,0 +1,18 @@ +double uintfloat(void) +{ + union { + int a; + double f; + } s; + + s.a = 1; + return s.f; +} + +/* + * check-name: init-local union 0 + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(1): store\\.32 + * check-output-pattern(1): load\\.64 + */ diff --git a/validation/mem2reg/init-local-union1.c b/validation/mem2reg/init-local-union1.c new file mode 100644 index 00000000..925b0a73 --- /dev/null +++ b/validation/mem2reg/init-local-union1.c @@ -0,0 +1,32 @@ +double uintfloat(void) +{ + union { + int a; + double f; + } s; + + s.a = 1; + return s.f; +} + + +int uarray(void) +{ + union { + double d; + int a[2]; + } s; + + s.d = 1; + return s.a[0]; +} + +/* + * check-name: init-local union 1 + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(1): store\\.32 + * check-output-pattern(1): load\\.64 + * check-output-pattern(1): store\\.64 + * check-output-pattern(1): load\\.32 + */ diff --git a/validation/mem2reg/init-local.c b/validation/mem2reg/init-local.c new file mode 100644 index 00000000..d51c9247 --- /dev/null +++ b/validation/mem2reg/init-local.c @@ -0,0 +1,27 @@ +int ssimple(void) +{ + struct { + int a; + } s; + + s.a = 1; + return s.a; +} + +double sdouble(void) +{ + struct { + double a; + } s; + + s.a = 1.23; + return s.a; +} + +/* + * check-name: init-local + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\. + * check-output-excludes: store\\. + */ diff --git a/validation/mem2reg/loop00.c b/validation/mem2reg/loop00.c new file mode 100644 index 00000000..de33d9f6 --- /dev/null +++ b/validation/mem2reg/loop00.c @@ -0,0 +1,16 @@ +int loop00(int n) +{ + int i, r = 0; + + for (i = 1; i <= n; ++i) + r += i; + return r; +} + +/* + * check-name: loop00 + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: store\\. + * check-output-excludes: load\\. + */ diff --git a/validation/mem2reg/loop01-global.c b/validation/mem2reg/loop01-global.c new file mode 100644 index 00000000..b6798137 --- /dev/null +++ b/validation/mem2reg/loop01-global.c @@ -0,0 +1,18 @@ +extern int g; + +void fun(void); +void loop01(void) +{ + int i; + for (i = 0; i <= 2;) + if (g) + fun(); +} + +/* + * check-name: loop01 global + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\..*\\[i\\] + * check-output-contains: load\\..*\\[g\\] + */ diff --git a/validation/mem2reg/loop02-array.c b/validation/mem2reg/loop02-array.c new file mode 100644 index 00000000..13b0aeaf --- /dev/null +++ b/validation/mem2reg/loop02-array.c @@ -0,0 +1,23 @@ + + +int foo(int i[]) +{ + int j = 1; + i[0] = 6; + + do { + if (i[0] != 6) + i[0]++; + i[0]++; + } while (i[0] != j); + + return j; +} + +/* + * check-name: loop02 array + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(0,4): load\\. + * check-output-pattern(1,3): store\\. + */ diff --git a/validation/mem2reg/loop02-global.c b/validation/mem2reg/loop02-global.c new file mode 100644 index 00000000..a0a8b42b --- /dev/null +++ b/validation/mem2reg/loop02-global.c @@ -0,0 +1,22 @@ +int i; + +int foo(void) +{ + int j = 1; + i = 6; + + do { + if (i != 6) + i++; + i++; + } while (i != j); + + return j; +} + +/* + * check-name: loop02 global + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-excludes: load\\. + */ diff --git a/validation/mem2reg/loop02-local.c b/validation/mem2reg/loop02-local.c new file mode 100644 index 00000000..a1bd602b --- /dev/null +++ b/validation/mem2reg/loop02-local.c @@ -0,0 +1,23 @@ + + +int foo(void) +{ + int j = 1; + int i = 6; + + do { + if (i != 6) + i++; + i++; + } while (i != j); + + return j; +} + +/* + * check-name: loop02 pointer + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * + * check-output-ignore + * check-output-excludes: load\\. + */ diff --git a/validation/mem2reg/loop02-pointer.c b/validation/mem2reg/loop02-pointer.c new file mode 100644 index 00000000..fdb0a8fb --- /dev/null +++ b/validation/mem2reg/loop02-pointer.c @@ -0,0 +1,23 @@ + + +int foo(int *i) +{ + int j = 1; + *i = 6; + + do { + if (*i != 6) + (*i)++; + (*i)++; + } while (*i != j); + + return j; +} + +/* + * check-name: loop02 pointer + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(0,4): load\\. + * check-output-pattern(1,3): store\\. + */ diff --git a/validation/mem2reg/quadra00.c b/validation/mem2reg/quadra00.c new file mode 100644 index 00000000..63b489c9 --- /dev/null +++ b/validation/mem2reg/quadra00.c @@ -0,0 +1,28 @@ +#define TEST(N) \ + do { \ + d = b + a[N]; \ + if (d < b) \ + c++; \ + b = d; \ + } while (0) + +int foo(int *a, int b, int c) +{ + int d; + + TEST(0); + TEST(1); + TEST(2); + + return d + c; +} + +/* + * check-name: quadratic phisrc + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * check-output-ignore + * check-output-excludes: phi\\..*, .*, .* + * check-output-excludes: phi\\..*, .*, .*, .* + * check-output-pattern(6): phisrc\\. + */ diff --git a/validation/mem2reg/short-load.c b/validation/mem2reg/short-load.c new file mode 100644 index 00000000..c4b4dc4b --- /dev/null +++ b/validation/mem2reg/short-load.c @@ -0,0 +1,29 @@ +#ifdef __SIZEOF_INT__ == 4 +typedef unsigned int u32; +#endif +#ifdef __SIZEOF_SHORT__ == 2 +typedef unsigned short u16; +#endif + + +union u { + u32 a; + u16 b; +}; + +void bar(u16, union u); + +void foo(u16 val) +{ + union u u; + + u.b = val; + bar(u.b, u); +} + +/* + * check-name: short-load + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-contains: load\\.32 + */ diff --git a/validation/mem2reg/undef00.c b/validation/mem2reg/undef00.c new file mode 100644 index 00000000..ba9ba915 --- /dev/null +++ b/validation/mem2reg/undef00.c @@ -0,0 +1,14 @@ +void bad0(void) +{ + int *a; + *a++; +} + +/* + * check-name: undef00 + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-known-to-fail + * check-output-ignore + * check-output-pattern(1): load\\. + * check-output-pattern(1): load\\..*\\[UNDEF\\] + */ diff --git a/validation/mem2reg/volatile-store00.c b/validation/mem2reg/volatile-store00.c new file mode 100644 index 00000000..d565037a --- /dev/null +++ b/validation/mem2reg/volatile-store00.c @@ -0,0 +1,27 @@ +void foo(volatile int *p) +{ + *p = 0; + *p = 0; +} + +void bar(void) +{ + extern volatile int i; + i = 0; + i = 0; +} + + +void baz(void) +{ + volatile int i; + i = 0; + i = 0; +} + +/* + * check-name: keep volatile stores + * check-command: test-linearize -Wno-decl -fdump-ir=mem2reg $file + * check-output-ignore + * check-output-pattern(1,6): store\\. + */ |