diff options
Diffstat (limited to 'test/nilptr3.go')
| -rw-r--r-- | test/nilptr3.go | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/test/nilptr3.go b/test/nilptr3.go index 08597a02d..2757daef0 100644 --- a/test/nilptr3.go +++ b/test/nilptr3.go @@ -17,7 +17,7 @@ type Struct struct { type BigStruct struct { X int Y float64 - A [1<<20]int + A [1 << 20]int Z string } @@ -29,93 +29,94 @@ type Empty1 struct { } var ( - intp *int - arrayp *[10]int - array0p *[0]int - bigarrayp *[1<<26]int - structp *Struct + intp *int + arrayp *[10]int + array0p *[0]int + bigarrayp *[1 << 26]int + structp *Struct bigstructp *BigStruct - emptyp *Empty - empty1p *Empty1 + emptyp *Empty + empty1p *Empty1 ) func f1() { _ = *intp // ERROR "generated nil check" - + // This one should be removed but the block copy needs // to be turned into its own pseudo-op in order to see // the indirect. _ = *arrayp // ERROR "generated nil check" - - // 0-byte indirect doesn't suffice + + // 0-byte indirect doesn't suffice. + // we don't registerize globals, so there are no removed repeated nil checks. + _ = *array0p // ERROR "generated nil check" _ = *array0p // ERROR "generated nil check" - _ = *array0p // ERROR "removed repeated nil check" 386 - _ = *intp // ERROR "removed repeated nil check" - _ = *arrayp // ERROR "removed repeated nil check" + _ = *intp // ERROR "generated nil check" + _ = *arrayp // ERROR "generated nil check" _ = *structp // ERROR "generated nil check" - _ = *emptyp // ERROR "generated nil check" - _ = *arrayp // ERROR "removed repeated nil check" + _ = *emptyp // ERROR "generated nil check" + _ = *arrayp // ERROR "generated nil check" } func f2() { var ( - intp *int - arrayp *[10]int - array0p *[0]int - bigarrayp *[1<<20]int - structp *Struct + intp *int + arrayp *[10]int + array0p *[0]int + bigarrayp *[1 << 20]int + structp *Struct bigstructp *BigStruct - emptyp *Empty - empty1p *Empty1 + emptyp *Empty + empty1p *Empty1 ) - _ = *intp // ERROR "generated nil check" - _ = *arrayp // ERROR "generated nil check" - _ = *array0p // ERROR "generated nil check" - _ = *array0p // ERROR "removed repeated nil check" - _ = *intp // ERROR "removed repeated nil check" - _ = *arrayp // ERROR "removed repeated nil check" - _ = *structp // ERROR "generated nil check" - _ = *emptyp // ERROR "generated nil check" - _ = *arrayp // ERROR "removed repeated nil check" - _ = *bigarrayp // ERROR "generated nil check" ARM removed nil check before indirect!! + _ = *intp // ERROR "generated nil check" + _ = *arrayp // ERROR "generated nil check" + _ = *array0p // ERROR "generated nil check" + _ = *array0p // ERROR "removed repeated nil check" + _ = *intp // ERROR "removed repeated nil check" + _ = *arrayp // ERROR "removed repeated nil check" + _ = *structp // ERROR "generated nil check" + _ = *emptyp // ERROR "generated nil check" + _ = *arrayp // ERROR "removed repeated nil check" + _ = *bigarrayp // ERROR "generated nil check" ARM removed nil check before indirect!! _ = *bigstructp // ERROR "generated nil check" - _ = *empty1p // ERROR "generated nil check" + _ = *empty1p // ERROR "generated nil check" } func fx10k() *[10000]int -var b bool +var b bool func f3(x *[10000]int) { // Using a huge type and huge offsets so the compiler // does not expect the memory hardware to fault. _ = x[9999] // ERROR "generated nil check" - + for { if x[9999] != 0 { // ERROR "generated nil check" break } } - - x = fx10k() + + x = fx10k() _ = x[9999] // ERROR "generated nil check" if b { _ = x[9999] // ERROR "removed repeated nil check" } else { _ = x[9999] // ERROR "removed repeated nil check" - } + } _ = x[9999] // ERROR "generated nil check" - x = fx10k() + x = fx10k() if b { _ = x[9999] // ERROR "generated nil check" } else { _ = x[9999] // ERROR "generated nil check" - } + } _ = x[9999] // ERROR "generated nil check" - + fx10k() // This one is a bit redundant, if we figured out that // x wasn't going to change across the function call. @@ -145,7 +146,7 @@ func f3b() { _ = &x[9] // ERROR "removed repeated nil check" } -func fx10() *[10]int +func fx10() *[10]int func f4(x *[10]int) { // Most of these have no checks because a real memory reference follows, @@ -153,14 +154,14 @@ func f4(x *[10]int) { // in the first unmapped page of memory. _ = x[9] // ERROR "removed nil check before indirect" - + for { if x[9] != 0 { // ERROR "removed nil check before indirect" break } } - - x = fx10() + + x = fx10() _ = x[9] // ERROR "removed nil check before indirect" if b { _ = x[9] // ERROR "removed nil check before indirect" @@ -169,17 +170,17 @@ func f4(x *[10]int) { } _ = x[9] // ERROR "removed nil check before indirect" - x = fx10() + x = fx10() if b { _ = x[9] // ERROR "removed nil check before indirect" } else { _ = &x[9] // ERROR "generated nil check" - } + } _ = x[9] // ERROR "removed nil check before indirect" - + fx10() _ = x[9] // ERROR "removed nil check before indirect" - + x = fx10() y := fx10() _ = &x[9] // ERROR "generated nil check" @@ -188,4 +189,3 @@ func f4(x *[10]int) { x = y _ = &x[9] // ERROR "removed repeated nil check" } - |