Mercurial > hg > CbC > CbC_llvm

diff clang/test/CodeGen/builtins-multiprecision.c @ 150:1d019706d866

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children c4bab56944e8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/CodeGen/builtins-multiprecision.c	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,188 @@
+// RUN: %clang_cc1 -triple "i686-unknown-unknown"   -emit-llvm -x c %s -o - -O3 | FileCheck %s
+// RUN: %clang_cc1 -triple "x86_64-unknown-unknown" -emit-llvm -x c %s -o - -O3 | FileCheck %s
+// RUN: %clang_cc1 -triple "x86_64-mingw32"         -emit-llvm -x c %s -o - -O3 | FileCheck %s
+
+unsigned char test_addcb(unsigned char x, unsigned char y,
+                         unsigned char carryin, unsigned char *z) {
+  // CHECK: @test_addcb
+  // CHECK: %{{.+}} = {{.*}} call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 %x, i8 %y)
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i8, i1 } @llvm.uadd.with.overflow.i8(i8 %{{.+}}, i8 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i8
+  // CHECK: store i8 %{{.+}}, i8* %z, align 1
+
+  unsigned char carryout;
+  *z = __builtin_addcb(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned short test_addcs(unsigned short x, unsigned short y,
+                          unsigned short carryin, unsigned short *z) {
+  // CHECK: @test_addcs
+  // CHECK: %{{.+}} = {{.*}} call { i16, i1 } @llvm.uadd.with.overflow.i16(i16 %x, i16 %y)
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i16, i1 } @llvm.uadd.with.overflow.i16(i16 %{{.+}}, i16 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i16
+  // CHECK: store i16 %{{.+}}, i16* %z, align 2
+
+  unsigned short carryout;
+  *z = __builtin_addcs(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned test_addc(unsigned x, unsigned y, unsigned carryin, unsigned *z) {
+  // CHECK: @test_addc
+  // CHECK: %{{.+}} = {{.*}} call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 %y)
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %{{.+}}, i32 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i32
+  // CHECK: store i32 %{{.+}}, i32* %z, align 4
+  unsigned carryout;
+  *z = __builtin_addc(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned long test_addcl(unsigned long x, unsigned long y,
+                         unsigned long carryin, unsigned long *z) {
+  // long is i32 on i686, i64 on x86_64.
+  // CHECK: @test_addcl([[UL:i32|i64]] %x
+  // CHECK: %{{.+}} = {{.*}} call { [[UL]], i1 } @llvm.uadd.with.overflow.[[UL]]([[UL]] %x, [[UL]] %y)
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { [[UL]], i1 } @llvm.uadd.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %carryin)
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to [[UL]]
+  // CHECK: store [[UL]] %{{.+}}, [[UL]]* %z
+  unsigned long carryout;
+  *z = __builtin_addcl(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned long long test_addcll(unsigned long long x, unsigned long long y,
+                               unsigned long long carryin,
+                               unsigned long long *z) {
+  // CHECK: @test_addcll
+  // CHECK: %{{.+}} = {{.*}} call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %x, i64 %y)
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %{{.+}}, i64 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i64
+  // CHECK: store i64 %{{.+}}, i64* %z
+  unsigned long long carryout;
+  *z = __builtin_addcll(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned char test_subcb(unsigned char x, unsigned char y,
+                         unsigned char carryin, unsigned char *z) {
+  // CHECK: @test_subcb
+  // CHECK: %{{.+}} = {{.*}} call { i8, i1 } @llvm.usub.with.overflow.i8(i8 %x, i8 %y)
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i8, i1 } @llvm.usub.with.overflow.i8(i8 %{{.+}}, i8 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i8, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i8
+  // CHECK: store i8 %{{.+}}, i8* %z, align 1
+
+  unsigned char carryout;
+  *z = __builtin_subcb(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned short test_subcs(unsigned short x, unsigned short y,
+                          unsigned short carryin, unsigned short *z) {
+  // CHECK: @test_subcs
+  // CHECK: %{{.+}} = {{.*}} call { i16, i1 } @llvm.usub.with.overflow.i16(i16 %x, i16 %y)
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i16, i1 } @llvm.usub.with.overflow.i16(i16 %{{.+}}, i16 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i16, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i16
+  // CHECK: store i16 %{{.+}}, i16* %z, align 2
+
+  unsigned short carryout;
+  *z = __builtin_subcs(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned test_subc(unsigned x, unsigned y, unsigned carryin, unsigned *z) {
+  // CHECK: @test_subc
+  // CHECK: %{{.+}} = {{.*}} call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %x, i32 %y)
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %{{.+}}, i32 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i32, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i32
+  // CHECK: store i32 %{{.+}}, i32* %z, align 4
+  unsigned carryout;
+  *z = __builtin_subc(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned long test_subcl(unsigned long x, unsigned long y,
+                         unsigned long carryin, unsigned long *z) {
+  // CHECK: @test_subcl([[UL:i32|i64]] %x
+  // CHECK: %{{.+}} = {{.*}} call { [[UL]], i1 } @llvm.usub.with.overflow.[[UL]]([[UL]] %x, [[UL]] %y)
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { [[UL]], i1 } @llvm.usub.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %carryin)
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { [[UL]], i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to [[UL]]
+  // CHECK: store [[UL]] %{{.+}}, [[UL]]* %z
+  unsigned long carryout;
+  *z = __builtin_subcl(x, y, carryin, &carryout);
+
+  return carryout;
+}
+
+unsigned long long test_subcll(unsigned long long x, unsigned long long y,
+                               unsigned long long carryin,
+                               unsigned long long *z) {
+  // CHECK: @test_subcll
+  // CHECK: %{{.+}} = {{.*}} call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %x, i64 %y)
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = {{.*}} call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %{{.+}}, i64 %carryin)
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 1
+  // CHECK: %{{.+}} = extractvalue { i64, i1 } %{{.+}}, 0
+  // CHECK: %{{.+}} = or i1 %{{.+}}, %{{.+}}
+  // CHECK: %{{.+}} = zext i1 %{{.+}} to i64
+  // CHECK: store i64 %{{.+}}, i64* %z
+  unsigned long long carryout;
+  *z = __builtin_subcll(x, y, carryin, &carryout);
+
+  return carryout;
+}