Failure after basepoints/gcc-13-3596-ge7310e24b1c: Make ranger vrp1 default.: Results changed to -10 # true: 0 # build_abe binutils: 1 # build_abe gcc: 2 # build_abe linux: 4 # build_abe glibc: # FAILED # First few build errors in logs: # 00:00:12 pthread_create.c:50:1: error: alias must point to a defined variable or function # 00:02:24 /home/tcwg-buildslave/workspace/tcwg_gnu_2/glibc/csu/../csu/libc-tls.c:202: undefined reference to `_startup_fatal_not_constant' # 00:02:24 collect2: error: ld returned 1 exit status # 00:02:24 make[2]: *** [../Rules:293: /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/builds/armv8l-unknown-linux-gnueabihf/armv8l-unknown-linux-gnueabihf/glibc-glibc.git~master/support/test-run-command] Error 1 # 00:02:24 make[1]: *** [Makefile:484: support/others] Error 2 # 00:02:24 make: *** [Makefile:9: all] Error 2 from -10 # true: 0 # build_abe binutils: 1 # build_abe gcc: 2 # build_abe linux: 4 # build_abe glibc: 5 # build_abe gdb: 6 THIS IS THE END OF INTERESTING STUFF. BELOW ARE LINKS TO BUILDS, REPRODUCTION INSTRUCTIONS, AND THE RAW COMMIT. For latest status see comments in https://linaro.atlassian.net/browse/GNU-692 . Status of basepoints/gcc-13-3596-ge7310e24b1c commit for tcwg_gnu_native_build: commit e7310e24b1c0ca67b1bb507c1330b2bf39e59e32 Author: Andrew MacLeod Date: Tue Oct 25 16:42:41 2022 -0400 Make ranger vrp1 default. Turn on ranger as the default vrp1 pass and adjust testcases. gcc/ * params.opt (param_vrp1_mode): Make ranger default. gcc/testsuite/ * gcc.dg/pr68217.c: Test [-INF, -INF][0, 0] instead of [-INF, 0]. * gcc.dg/tree-ssa/vrp-unreachable.c: New. Test unreachable removal. * master-arm ** Failure after basepoints/gcc-13-3596-ge7310e24b1c: Make ranger vrp1 default.: ** https://ci.linaro.org/job/tcwg_gnu_native_build-build-master-arm/505/ Bad build: https://ci.linaro.org/job/tcwg_gnu_native_build-build-master-arm/505/artifact/artifacts Good build: https://ci.linaro.org/job/tcwg_gnu_native_build-build-master-arm/504/artifact/artifacts Reproduce current build: mkdir -p investigate-gcc-e7310e24b1c0ca67b1bb507c1330b2bf39e59e32 cd investigate-gcc-e7310e24b1c0ca67b1bb507c1330b2bf39e59e32 # Fetch scripts git clone https://git.linaro.org/toolchain/jenkins-scripts # Fetch manifests for bad and good builds mkdir -p bad/artifacts good/artifacts curl -o bad/artifacts/manifest.sh https://ci.linaro.org/job/tcwg_gnu_native_build-build-master-arm/505/artifact/artifacts/manifest.sh --fail curl -o good/artifacts/manifest.sh https://ci.linaro.org/job/tcwg_gnu_native_build-build-master-arm/504/artifact/artifacts/manifest.sh --fail # Reproduce bad build (cd bad; ../jenkins-scripts/tcwg_gnu-build.sh ^^ true %%rr[top_artifacts] artifacts) # Reproduce good build (cd good; ../jenkins-scripts/tcwg_gnu-build.sh ^^ true %%rr[top_artifacts] artifacts) Full commit (up to 1000 lines): commit e7310e24b1c0ca67b1bb507c1330b2bf39e59e32 Author: Andrew MacLeod Date: Tue Oct 25 16:42:41 2022 -0400 Make ranger vrp1 default. Turn on ranger as the default vrp1 pass and adjust testcases. gcc/ * params.opt (param_vrp1_mode): Make ranger default. gcc/testsuite/ * gcc.dg/pr68217.c: Test [-INF, -INF][0, 0] instead of [-INF, 0]. * gcc.dg/tree-ssa/vrp-unreachable.c: New. Test unreachable removal. --- gcc/params.opt | 2 +- gcc/testsuite/gcc.dg/pr68217.c | 2 +- gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c | 42 +++++++++++++++++++++++++ 3 files changed, 44 insertions(+), 2 deletions(-) diff --git a/gcc/params.opt b/gcc/params.opt index 3001566e641..a34fee193fc 100644 --- a/gcc/params.opt +++ b/gcc/params.opt @@ -1166,7 +1166,7 @@ Common Joined UInteger Var(param_vect_induction_float) Init(1) IntegerRage(0, 1) Enable loop vectorization of floating point inductions. -param=vrp1-mode= -Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_VRP) Param Optimization +Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_RANGER) Param Optimization --param=vrp1-mode=[vrp|ranger] Specifies the mode VRP1 should operate in. -param=vrp2-mode= diff --git a/gcc/testsuite/gcc.dg/pr68217.c b/gcc/testsuite/gcc.dg/pr68217.c index eb4f15e048f..60c80106760 100644 --- a/gcc/testsuite/gcc.dg/pr68217.c +++ b/gcc/testsuite/gcc.dg/pr68217.c @@ -10,4 +10,4 @@ int foo (void) return 0; } -/* { dg-final { scan-tree-dump "\\\[-INF, 0\\\]" "vrp1" } } */ +/* { dg-final { scan-tree-dump "\\\[-INF, -INF\\\]\\\[0, 0\\\]" "vrp1" } } */ diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c new file mode 100644 index 00000000000..cdc57403c6e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c @@ -0,0 +1,42 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp1-alias -fdump-tree-vrp2-alias" } */ + +void dead (unsigned n); +void alive (unsigned n); + +void func (unsigned n, unsigned m) +{ + if (n == 0) + __builtin_unreachable(); + if (n == 1) + __builtin_unreachable(); + if (n & 0x1) + __builtin_unreachable(); + if (n == 2) + __builtin_unreachable(); + if (n == 3) + __builtin_unreachable(); + if (n & 0x2) + __builtin_unreachable(); + if (n == 4) + __builtin_unreachable(); + if (n == 5) + __builtin_unreachable(); + if (n & 0x4) + __builtin_unreachable(); + if (n == 6) + __builtin_unreachable(); + if (n == 7) + __builtin_unreachable(); + if (n <8) + dead (n); + if (n != m) + __builtin_unreachable(); + alive (n); + alive (m); +} + +/* { dg-final { scan-tree-dump-not "dead" "vrp1" } } */ +/* { dg-final { scan-tree-dump-times "builtin_unreachable" 1 "vrp1" } } */ +/* { dg-final { scan-tree-dump-not "builtin_unreachable" "vrp2" } } */ +/* { dg-final { scan-tree-dump-times "fff8" 4 "vrp2" } } */