================
@@ -0,0 +1,162 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --version 4
+// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -std=c++23 \
+// RUN: -DWIN -emit-llvm -o - %s | FileCheck %s --check-prefixes=WIN
+
+// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -std=c++23 \
+// RUN: -emit-llvm -o - %s | FileCheck %s --check-prefixes=LNX
+
+#ifdef WIN
+#define INFINITY ((float)(1e+300 * 1e+300))
+#define NAN (-(float)(INFINITY * 0.0F))
+#else
+#define NAN (__builtin_nanf(""))
+#define INFINITY (__builtin_inff())
+#endif
+
+// WIN-LABEL: define dso_local noundef i32 @_Z4funcv(
+// WIN-SAME: ) #[[ATTR0:[0-9]+]] {
+// WIN-NEXT: entry:
+// WIN-NEXT: [[I:%.*]] = alloca i32, align 4
+// WIN-NEXT: [[MIN1:%.*]] = alloca double, align 8
+// WIN-NEXT: [[MIN2:%.*]] = alloca double, align 8
+// WIN-NEXT: [[MIN3:%.*]] = alloca double, align 8
+// WIN-NEXT: [[MIN4:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MIN5:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MIN6:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MIN7:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MIN8:%.*]] = alloca x86_fp80, align 16
+// WIN-NEXT: [[MAX1:%.*]] = alloca double, align 8
+// WIN-NEXT: [[MAX2:%.*]] = alloca double, align 8
+// WIN-NEXT: [[MAX3:%.*]] = alloca double, align 8
+// WIN-NEXT: [[MAX4:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MAX5:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MAX6:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MAX7:%.*]] = alloca float, align 4
+// WIN-NEXT: [[MAX8:%.*]] = alloca x86_fp80, align 16
+// WIN-NEXT: [[FREXP1:%.*]] = alloca double, align 8
+// WIN-NEXT: [[FREXP2:%.*]] = alloca double, align 8
+// WIN-NEXT: [[FREXP3:%.*]] = alloca double, align 8
+// WIN-NEXT: [[FREXP4:%.*]] = alloca float, align 4
+// WIN-NEXT: [[FREXP5:%.*]] = alloca float, align 4
+// WIN-NEXT: [[FREXP6:%.*]] = alloca float, align 4
+// WIN-NEXT: [[FREXP7:%.*]] = alloca float, align 4
+// WIN-NEXT: [[FREXP8:%.*]] = alloca x86_fp80, align 16
+// WIN-NEXT: store i32 0, ptr [[I]], align 4
+// WIN-NEXT: store double 1.300000e+00, ptr [[MIN1]], align 8
+// WIN-NEXT: store double -0.000000e+00, ptr [[MIN2]], align 8
+// WIN-NEXT: store double -0.000000e+00, ptr [[MIN3]], align 8
+// WIN-NEXT: store float 0xFFF8000000000000, ptr [[MIN4]], align 4
+// WIN-NEXT: store float -1.000000e+00, ptr [[MIN5]], align 4
+// WIN-NEXT: store float 0xFFF0000000000000, ptr [[MIN6]], align 4
+// WIN-NEXT: store float 0.000000e+00, ptr [[MIN7]], align 4
+// WIN-NEXT: store x86_fp80 0xK4005F6E978D4FDF3B646, ptr [[MIN8]], align 16
+// WIN-NEXT: store double 1.524000e+01, ptr [[MAX1]], align 8
+// WIN-NEXT: store double 0.000000e+00, ptr [[MAX2]], align 8
+// WIN-NEXT: store double 0.000000e+00, ptr [[MAX3]], align 8
+// WIN-NEXT: store float -1.000000e+00, ptr [[MAX4]], align 4
+// WIN-NEXT: store float 0x7FF0000000000000, ptr [[MAX5]], align 4
+// WIN-NEXT: store float 0.000000e+00, ptr [[MAX6]], align 4
+// WIN-NEXT: store float 0xFFF8000000000000, ptr [[MAX7]], align 4
+// WIN-NEXT: store x86_fp80 0xK4008C540C49BA5E353F8, ptr [[MAX8]], align 16
+// WIN-NEXT: store double 0x3FEEDCCCCCCCCCCD, ptr [[FREXP1]], align 8
+// WIN-NEXT: store double 0.000000e+00, ptr [[FREXP2]], align 8
+// WIN-NEXT: store double -0.000000e+00, ptr [[FREXP3]], align 8
+// WIN-NEXT: store float 0xFFF8000000000000, ptr [[FREXP4]], align 4
+// WIN-NEXT: store float 0x7FF8000000000000, ptr [[FREXP5]], align 4
+// WIN-NEXT: store float 0x7FF0000000000000, ptr [[FREXP6]], align 4
+// WIN-NEXT: store float 0x7FF0000000000000, ptr [[FREXP7]], align 4
+// WIN-NEXT: store x86_fp80 0xK3FFE81A9FBE76C8B4396, ptr [[FREXP8]], align
16
+// WIN-NEXT: ret i32 0
+//
+// LNX-LABEL: define dso_local noundef i32 @_Z4funcv(
+// LNX-SAME: ) #[[ATTR0:[0-9]+]] {
+// LNX-NEXT: entry:
+// LNX-NEXT: [[I:%.*]] = alloca i32, align 4
+// LNX-NEXT: [[MIN1:%.*]] = alloca double, align 8
+// LNX-NEXT: [[MIN2:%.*]] = alloca double, align 8
+// LNX-NEXT: [[MIN3:%.*]] = alloca double, align 8
+// LNX-NEXT: [[MIN4:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MIN5:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MIN6:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MIN7:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MIN8:%.*]] = alloca x86_fp80, align 16
+// LNX-NEXT: [[MAX1:%.*]] = alloca double, align 8
+// LNX-NEXT: [[MAX2:%.*]] = alloca double, align 8
+// LNX-NEXT: [[MAX3:%.*]] = alloca double, align 8
+// LNX-NEXT: [[MAX4:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MAX5:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MAX6:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MAX7:%.*]] = alloca float, align 4
+// LNX-NEXT: [[MAX8:%.*]] = alloca x86_fp80, align 16
+// LNX-NEXT: [[FREXP1:%.*]] = alloca double, align 8
+// LNX-NEXT: [[FREXP2:%.*]] = alloca double, align 8
+// LNX-NEXT: [[FREXP3:%.*]] = alloca double, align 8
+// LNX-NEXT: [[FREXP4:%.*]] = alloca float, align 4
+// LNX-NEXT: [[FREXP5:%.*]] = alloca float, align 4
+// LNX-NEXT: [[FREXP6:%.*]] = alloca float, align 4
+// LNX-NEXT: [[FREXP7:%.*]] = alloca float, align 4
+// LNX-NEXT: [[FREXP8:%.*]] = alloca x86_fp80, align 16
+// LNX-NEXT: store i32 0, ptr [[I]], align 4
+// LNX-NEXT: store double 1.300000e+00, ptr [[MIN1]], align 8
+// LNX-NEXT: store double -0.000000e+00, ptr [[MIN2]], align 8
+// LNX-NEXT: store double -0.000000e+00, ptr [[MIN3]], align 8
+// LNX-NEXT: store float 0x7FF8000000000000, ptr [[MIN4]], align 4
+// LNX-NEXT: store float -1.000000e+00, ptr [[MIN5]], align 4
+// LNX-NEXT: store float 0xFFF0000000000000, ptr [[MIN6]], align 4
+// LNX-NEXT: store float 0.000000e+00, ptr [[MIN7]], align 4
+// LNX-NEXT: store x86_fp80 0xK4005F6E978D4FDF3B646, ptr [[MIN8]], align 16
+// LNX-NEXT: store double 1.524000e+01, ptr [[MAX1]], align 8
+// LNX-NEXT: store double 0.000000e+00, ptr [[MAX2]], align 8
+// LNX-NEXT: store double 0.000000e+00, ptr [[MAX3]], align 8
+// LNX-NEXT: store float -1.000000e+00, ptr [[MAX4]], align 4
+// LNX-NEXT: store float 0x7FF0000000000000, ptr [[MAX5]], align 4
+// LNX-NEXT: store float 0.000000e+00, ptr [[MAX6]], align 4
+// LNX-NEXT: store float 0x7FF8000000000000, ptr [[MAX7]], align 4
+// LNX-NEXT: store x86_fp80 0xK4008C540C49BA5E353F8, ptr [[MAX8]], align 16
+// LNX-NEXT: store double 0x3FEEDCCCCCCCCCCD, ptr [[FREXP1]], align 8
+// LNX-NEXT: store double 0.000000e+00, ptr [[FREXP2]], align 8
+// LNX-NEXT: store double -0.000000e+00, ptr [[FREXP3]], align 8
+// LNX-NEXT: store float 0x7FF8000000000000, ptr [[FREXP4]], align 4
+// LNX-NEXT: store float 0xFFF8000000000000, ptr [[FREXP5]], align 4
+// LNX-NEXT: store float 0x7FF0000000000000, ptr [[FREXP6]], align 4
+// LNX-NEXT: store float 0x7FF0000000000000, ptr [[FREXP7]], align 4
+// LNX-NEXT: store x86_fp80 0xK3FFE81A9FBE76C8B4396, ptr [[FREXP8]], align
16
+// LNX-NEXT: ret i32 0
+//
+int func()
+{
+ int i;
+
+ // fmin
+ constexpr double min1 = __builtin_fmin(15.24, 1.3);
+ constexpr double min2 = __builtin_fmin(-0.0, +0.0);
+ constexpr double min3 = __builtin_fmin(+0.0, -0.0);
+ constexpr float min4 = __builtin_fminf(NAN, NAN);
+ constexpr float min5 = __builtin_fminf(NAN, -1);
+ constexpr float min6 = __builtin_fminf(-INFINITY, 0);
+ constexpr float min7 = __builtin_fminf(INFINITY, 0);
+ constexpr long double min8 = __builtin_fminl(123.456L, 789.012L);
+
+ // fmax
+ constexpr double max1 = __builtin_fmax(15.24, 1.3);
----------------
hubert-reinterpretcast wrote:
Formatting nit:
```suggestion
constexpr double max1 = __builtin_fmax(15.24, 1.3);
```
https://github.com/llvm/llvm-project/pull/88978
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