[PowerPC][Clang] Remove use of malloc in mm_malloc
Remove dependency of malloc in implementation of mm_malloc function in PowerPC intrinsics and alignment assumption on glibc. Reviewed By: Hal Finkel Differential Revision: https://reviews.llvm.org/D64850 llvm-svn: 366406
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@ -25,12 +25,8 @@ _mm_malloc (size_t size, size_t alignment)
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{
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/* PowerPC64 ELF V2 ABI requires quadword alignment. */
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size_t vec_align = sizeof (__vector float);
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/* Linux GLIBC malloc alignment is at least 2 X ptr size. */
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size_t malloc_align = (sizeof (void *) + sizeof (void *));
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void *ptr;
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if (alignment == malloc_align && alignment == vec_align)
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return malloc (size);
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if (alignment < vec_align)
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alignment = vec_align;
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if (posix_memalign (&ptr, alignment, size) == 0)
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@ -24,30 +24,14 @@ test_mm_malloc() {
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// CHECK: store i64 [[REG1]], i64* [[REG4:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: store i64 [[REG2]], i64* [[REG5:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: store i64 16, i64* [[REG6:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: store i64 16, i64* [[REG7:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: [[REG8:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG9:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG7]], align 8
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// CHECK-NEXT: [[REG10:[0-9a-zA-Z_%.]+]] = icmp eq i64 [[REG8]], [[REG9]]
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// CHECK-NEXT: br i1 [[REG10]], label %[[REG11:[0-9a-zA-Z_%.]+]], label %[[REG12:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG11]]:
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// CHECK-NEXT: [[REG13:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG14:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: [[REG15:[0-9a-zA-Z_%.]+]] = icmp eq i64 [[REG13]], [[REG14]]
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// CHECK-NEXT: br i1 [[REG15]], label %[[REG16:[0-9a-zA-Z_%.]+]], label %[[REG12:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG16]]:
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// CHECK-NEXT: [[REG17:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG4]], align 8
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// CHECK-NEXT: [[REG18:[0-9a-zA-Z_%.]+]] = call noalias i8* @malloc(i64 [[REG17]])
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// CHECK-NEXT: store i8* [[REG18]], i8** [[REG3]], align 8
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// CHECK-NEXT: br label %[[REG19:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG12]]:
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// CHECK-NEXT: [[REG20:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG21:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: [[REG22:[0-9a-zA-Z_%.]+]] = icmp ult i64 [[REG20]], [[REG21]]
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// CHECK-NEXT: br i1 [[REG22]], label %[[REG23:[0-9a-zA-Z_%.]+]], label %[[REG24:[0-9a-zA-Z_%.]+]]
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// CHECK-NEXT: [[REG9:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: [[REG10:[0-9a-zA-Z_%.]+]] = icmp ult i64 [[REG8]], [[REG9]]
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// CHECK-NEXT: br i1 [[REG10]], label %[[REG23:[0-9a-zA-Z_%.]+]], label %[[REG24:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG23]]:
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// CHECK-NEXT: [[REG25:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: store i64 [[REG25]], i64* [[REG5]], align 8
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// CHECK-NEXT: br label %[[REG12:[0-9a-zA-Z_%.]+]]4
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// CHECK-NEXT: br label %[[REG24:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG24]]:
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// CHECK-NEXT: [[REG26:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG27:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG4]], align 8
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@ -24,30 +24,14 @@ test_mm_malloc() {
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// CHECK: store i64 [[REG1]], i64* [[REG4:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: store i64 [[REG2]], i64* [[REG5:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: store i64 16, i64* [[REG6:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: store i64 16, i64* [[REG7:[0-9a-zA-Z_%.]+]], align 8
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// CHECK-NEXT: [[REG8:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG9:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG7]], align 8
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// CHECK-NEXT: [[REG10:[0-9a-zA-Z_%.]+]] = icmp eq i64 [[REG8]], [[REG9]]
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// CHECK-NEXT: br i1 [[REG10]], label %[[REG11:[0-9a-zA-Z_%.]+]], label %[[REG12:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG11]]:
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// CHECK-NEXT: [[REG13:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG14:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: [[REG15:[0-9a-zA-Z_%.]+]] = icmp eq i64 [[REG13]], [[REG14]]
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// CHECK-NEXT: br i1 [[REG15]], label %[[REG16:[0-9a-zA-Z_%.]+]], label %[[REG12:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG16]]:
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// CHECK-NEXT: [[REG17:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG4]], align 8
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// CHECK-NEXT: [[REG18:[0-9a-zA-Z_%.]+]] = call noalias i8* @malloc(i64 [[REG17]])
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// CHECK-NEXT: store i8* [[REG18]], i8** [[REG3]], align 8
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// CHECK-NEXT: br label %[[REG19:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG12]]:
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// CHECK-NEXT: [[REG20:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG21:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: [[REG22:[0-9a-zA-Z_%.]+]] = icmp ult i64 [[REG20]], [[REG21]]
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// CHECK-NEXT: br i1 [[REG22]], label %[[REG23:[0-9a-zA-Z_%.]+]], label %[[REG24:[0-9a-zA-Z_%.]+]]
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// CHECK-NEXT: [[REG9:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: [[REG10:[0-9a-zA-Z_%.]+]] = icmp ult i64 [[REG8]], [[REG9]]
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// CHECK-NEXT: br i1 [[REG10]], label %[[REG23:[0-9a-zA-Z_%.]+]], label %[[REG24:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG23]]:
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// CHECK-NEXT: [[REG25:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG6]], align 8
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// CHECK-NEXT: store i64 [[REG25]], i64* [[REG5]], align 8
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// CHECK-NEXT: br label %[[REG12:[0-9a-zA-Z_%.]+]]4
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// CHECK-NEXT: br label %[[REG24:[0-9a-zA-Z_%.]+]]
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// CHECK: [[REG24]]:
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// CHECK-NEXT: [[REG26:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG5]], align 8
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// CHECK-NEXT: [[REG27:[0-9a-zA-Z_%.]+]] = load i64, i64* [[REG4]], align 8
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