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| author | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2015-11-06 14:52:46 +0000 |
|---|---|---|
| committer | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2015-11-06 14:52:46 +0000 |
| commit | 73d1044abebbb7a11a45a5ea728ef536af0b0540 (patch) | |
| tree | 5a08e8b18918a557e03073044430d8f1402d73ea /clang/test | |
| parent | 1aa4d1c56f276672bd2d8950fefdc6e7454481e2 (diff) | |
| download | bcm5719-llvm-73d1044abebbb7a11a45a5ea728ef536af0b0540.tar.gz bcm5719-llvm-73d1044abebbb7a11a45a5ea728ef536af0b0540.zip | |
Fix __builtin_signbit for ppcf128 type
Function__builtin_signbit returns wrong value for type ppcf128 on big endian
machines. This patch fixes how value is generated in that case.
Patch by Aleksandar Beserminji.
Differential Revision: http://reviews.llvm.org/D14149
llvm-svn: 252307
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/Analysis/builtin_signbit.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/clang/test/Analysis/builtin_signbit.cpp b/clang/test/Analysis/builtin_signbit.cpp new file mode 100644 index 00000000000..bf91511c43c --- /dev/null +++ b/clang/test/Analysis/builtin_signbit.cpp @@ -0,0 +1,43 @@ +// RUN: %clang -target powerpc-linux-gnu -emit-llvm -S -O0 %s -o - | FileCheck %s --check-prefix=CHECK-BE --check-prefix=CHECK +// RUN: %clang -target powerpc64-linux-gnu -emit-llvm -S -O0 %s -o - | FileCheck %s --check-prefix=CHECK-BE --check-prefix=CHECK +// RUN: %clang -target powerpc64le-linux-gnu -emit-llvm -S -O0 %s -o - | FileCheck %s --check-prefix=CHECK-LE --check-prefix=CHECK + +bool b; +double d = -1.0; +long double ld = -1.0L; +void test_signbit() +{ + b = __builtin_signbit(1.0L); + // CHECK: i128 + // CHECK-LE-NOT: lshr + // CHECK-BE: lshr + // CHECK: bitcast + // CHECK: ppc_fp128 + + b = __builtin_signbit(ld); + // CHECK: bitcast + // CHECK: ppc_fp128 + // CHECK-LE-NOT: lshr + // CHECK-BE: lshr + + b = __builtin_signbitf(1.0); + // CHECK: store i8 0 + + b = __builtin_signbitf(d); + // CHECK: bitcast + // CHECK-LE-NOT: lshr + // CHECK-BE-NOT: lshr + + b = __builtin_signbitl(1.0L); + // CHECK: i128 + // CHECK-LE-NOT: lshr + // CHECK-BE: lshr + // CHECK: bitcast + // CHECK: ppc_fp128 + + b = __builtin_signbitl(ld); + // CHECK: bitcast + // CHECK: ppc_fp128 + // CHECK-LE-NOT: lshr + // CHECK-BE: lshr +} |
