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| author | Fangrui Song <maskray@google.com> | 2019-07-09 13:32:26 +0000 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2019-07-09 13:32:26 +0000 |
| commit | 04615341e48152ab8c3c17b368a14b155b5ffe34 (patch) | |
| tree | e3f5f4cfeac9e5a57ef192280c5b87b736a22104 /clang/test/CodeGenCXX/float128-declarations.cpp | |
| parent | 51dad4196e58131c2c9df9e1eb4302b4c637aff5 (diff) | |
| download | bcm5719-llvm-04615341e48152ab8c3c17b368a14b155b5ffe34.tar.gz bcm5719-llvm-04615341e48152ab8c3c17b368a14b155b5ffe34.zip | |
[ItaniumMangle] Refactor long double/__float128 mangling and fix the mangled code
In gcc PowerPC, long double has 3 mangling schemes:
-mlong-double-64: `e`
-mlong-double-128 -mabi=ibmlongdouble: `g`
-mlong-double-128 -mabi=ieeelongdouble: `u9__ieee128` (gcc <= 8.1: `U10__float128`)
The current useFloat128ManglingForLongDouble() bisection is not suitable
when we support -mlong-double-128 in clang (D64277). Replace
useFloat128ManglingForLongDouble() with getLongDoubleMangling() and
getFloat128Mangling() to allow 3 mangling schemes.
I also deleted the `getTriple().isOSBinFormatELF()` check (the Darwin
support has gone: https://reviews.llvm.org/D50988).
For x86, change the mangled code of __float128 from `U10__float128` to `g`. `U10__float128` was wrongly copied from PowerPC.
The test will be added to `test/CodeGen/x86-long-double.cpp` in D64277.
Reviewed By: erichkeane
Differential Revision: https://reviews.llvm.org/D64276
llvm-svn: 365480
Diffstat (limited to 'clang/test/CodeGenCXX/float128-declarations.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/float128-declarations.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/clang/test/CodeGenCXX/float128-declarations.cpp b/clang/test/CodeGenCXX/float128-declarations.cpp index 18a25d9faba..61d4531f997 100644 --- a/clang/test/CodeGenCXX/float128-declarations.cpp +++ b/clang/test/CodeGenCXX/float128-declarations.cpp @@ -84,15 +84,15 @@ int main(void) { // CHECK-DAG: @_ZN12_GLOBAL__N_13f2nE = internal global fp128 0xL00000000000000004004080000000000 // CHECK-DAG: @_ZN12_GLOBAL__N_15arr1nE = internal global [10 x fp128] // CHECK-DAG: @_ZN12_GLOBAL__N_15arr2nE = internal global [3 x fp128] [fp128 0xL33333333333333333FFF333333333333, fp128 0xL00000000000000004000800000000000, fp128 0xL00000000000000004025176592E00000] -// CHECK-DAG: define internal fp128 @_ZN12_GLOBAL__N_16func1nERKU10__float128(fp128* +// CHECK-DAG: define internal fp128 @_ZN12_GLOBAL__N_16func1nERKu9__ieee128(fp128* // CHECK-DAG: @f1f = global fp128 0xL00000000000000000000000000000000 // CHECK-DAG: @f2f = global fp128 0xL33333333333333334004033333333333 // CHECK-DAG: @arr1f = global [10 x fp128] // CHECK-DAG: @arr2f = global [3 x fp128] [fp128 0xL3333333333333333BFFF333333333333, fp128 0xL0000000000000000C000800000000000, fp128 0xL0000000000000000C025176592E00000] -// CHECK-DAG: declare fp128 @_Z6func1fU10__float128(fp128) -// CHECK-DAG: define linkonce_odr void @_ZN2C1C2EU10__float128(%class.C1* %this, fp128 %arg) -// CHECK-DAG: define linkonce_odr fp128 @_ZN2C16func2cEU10__float128(fp128 %arg) -// CHECK-DAG: define linkonce_odr fp128 @_Z6func1tIU10__float128ET_S0_(fp128 %arg) +// CHECK-DAG: declare fp128 @_Z6func1fu9__ieee128(fp128) +// CHECK-DAG: define linkonce_odr void @_ZN2C1C2Eu9__ieee128(%class.C1* %this, fp128 %arg) +// CHECK-DAG: define linkonce_odr fp128 @_ZN2C16func2cEu9__ieee128(fp128 %arg) +// CHECK-DAG: define linkonce_odr fp128 @_Z6func1tIu9__ieee128ET_S0_(fp128 %arg) // CHECK-DAG: @__const.main.s1 = private unnamed_addr constant %struct.S1 { fp128 0xL00000000000000004006080000000000 } // CHECK-DAG: store fp128 0xLF0AFD0EBFF292DCE42E0B38CDD83F26F, fp128* %f1l, align 16 // CHECK-DAG: store fp128 0xL00000000000000008000000000000000, fp128* %f2l, align 16 |
