[X86] Add x86-atomic-double.c double test coverage

Author: RKSimon

clang/test/CodeGen/X86/x86-atomic-double.c

@@ -0,0 +1,104 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -target-cpu core2 %s -emit-llvm -o - | FileCheck -check-prefixes=X64 %s
+// RUN: %clang_cc1 -triple i686-linux-gnu -target-cpu core2 %s -emit-llvm -o - | FileCheck -check-prefixes=X86 %s
+
+
+// X64-LABEL: define dso_local double @test_double_post_inc(
+// X64-SAME: ) #[[ATTR0:[0-9]+]] {
+// X64-NEXT:  entry:
+// X64-NEXT:    [[RETVAL:%.*]] = alloca double, align 8
+// X64-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_post_inc.n, float 1.000000e+00 seq_cst, align 8
+// X64-NEXT:    store float [[TMP0]], ptr [[RETVAL]], align 8
+// X64-NEXT:    [[TMP1:%.*]] = load double, ptr [[RETVAL]], align 8
+// X64-NEXT:    ret double [[TMP1]]
+//
+// X86-LABEL: define dso_local double @test_double_post_inc(
+// X86-SAME: ) #[[ATTR0:[0-9]+]] {
+// X86-NEXT:  entry:
+// X86-NEXT:    [[RETVAL:%.*]] = alloca double, align 4
+// X86-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_post_inc.n, float 1.000000e+00 seq_cst, align 8
+// X86-NEXT:    store float [[TMP0]], ptr [[RETVAL]], align 4
+// X86-NEXT:    [[TMP1:%.*]] = load double, ptr [[RETVAL]], align 4
+// X86-NEXT:    ret double [[TMP1]]
+//
+double test_double_post_inc()
+{
+    static _Atomic double n;
+    return n++;
+}
+
+// X64-LABEL: define dso_local double @test_double_post_dc(
+// X64-SAME: ) #[[ATTR0]] {
+// X64-NEXT:  entry:
+// X64-NEXT:    [[RETVAL:%.*]] = alloca double, align 8
+// X64-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_post_dc.n, float 1.000000e+00 seq_cst, align 8
+// X64-NEXT:    store float [[TMP0]], ptr [[RETVAL]], align 8
+// X64-NEXT:    [[TMP1:%.*]] = load double, ptr [[RETVAL]], align 8
+// X64-NEXT:    ret double [[TMP1]]
+//
+// X86-LABEL: define dso_local double @test_double_post_dc(
+// X86-SAME: ) #[[ATTR0]] {
+// X86-NEXT:  entry:
+// X86-NEXT:    [[RETVAL:%.*]] = alloca double, align 4
+// X86-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_post_dc.n, float 1.000000e+00 seq_cst, align 8
+// X86-NEXT:    store float [[TMP0]], ptr [[RETVAL]], align 4
+// X86-NEXT:    [[TMP1:%.*]] = load double, ptr [[RETVAL]], align 4
+// X86-NEXT:    ret double [[TMP1]]
+//
+double test_double_post_dc()
+{
+    static _Atomic double n;
+    return n--;
+}
+
+// X64-LABEL: define dso_local double @test_double_pre_dc(
+// X64-SAME: ) #[[ATTR0]] {
+// X64-NEXT:  entry:
+// X64-NEXT:    [[RETVAL:%.*]] = alloca double, align 8
+// X64-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_pre_dc.n, float 1.000000e+00 seq_cst, align 8
+// X64-NEXT:    [[TMP1:%.*]] = fsub float [[TMP0]], 1.000000e+00
+// X64-NEXT:    store float [[TMP1]], ptr [[RETVAL]], align 8
+// X64-NEXT:    [[TMP2:%.*]] = load double, ptr [[RETVAL]], align 8
+// X64-NEXT:    ret double [[TMP2]]
+//
+// X86-LABEL: define dso_local double @test_double_pre_dc(
+// X86-SAME: ) #[[ATTR0]] {
+// X86-NEXT:  entry:
+// X86-NEXT:    [[RETVAL:%.*]] = alloca double, align 4
+// X86-NEXT:    [[TMP0:%.*]] = atomicrmw fsub ptr @test_double_pre_dc.n, float 1.000000e+00 seq_cst, align 8
+// X86-NEXT:    [[TMP1:%.*]] = fsub float [[TMP0]], 1.000000e+00
+// X86-NEXT:    store float [[TMP1]], ptr [[RETVAL]], align 4
+// X86-NEXT:    [[TMP2:%.*]] = load double, ptr [[RETVAL]], align 4
+// X86-NEXT:    ret double [[TMP2]]
+//
+double test_double_pre_dc()
+{
+    static _Atomic double n;
+    return --n;
+}
+
+// X64-LABEL: define dso_local double @test_double_pre_inc(
+// X64-SAME: ) #[[ATTR0]] {
+// X64-NEXT:  entry:
+// X64-NEXT:    [[RETVAL:%.*]] = alloca double, align 8
+// X64-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_pre_inc.n, float 1.000000e+00 seq_cst, align 8
+// X64-NEXT:    [[TMP1:%.*]] = fadd float [[TMP0]], 1.000000e+00
+// X64-NEXT:    store float [[TMP1]], ptr [[RETVAL]], align 8
+// X64-NEXT:    [[TMP2:%.*]] = load double, ptr [[RETVAL]], align 8
+// X64-NEXT:    ret double [[TMP2]]
+//
+// X86-LABEL: define dso_local double @test_double_pre_inc(
+// X86-SAME: ) #[[ATTR0]] {
+// X86-NEXT:  entry:
+// X86-NEXT:    [[RETVAL:%.*]] = alloca double, align 4
+// X86-NEXT:    [[TMP0:%.*]] = atomicrmw fadd ptr @test_double_pre_inc.n, float 1.000000e+00 seq_cst, align 8
+// X86-NEXT:    [[TMP1:%.*]] = fadd float [[TMP0]], 1.000000e+00
+// X86-NEXT:    store float [[TMP1]], ptr [[RETVAL]], align 4
+// X86-NEXT:    [[TMP2:%.*]] = load double, ptr [[RETVAL]], align 4
+// X86-NEXT:    ret double [[TMP2]]
+//
+double test_double_pre_inc()
+{
+    static _Atomic double n;
+    return ++n;
+}