[Analysis] Use std::clamp in getHeatColor (NFC)

[kazutakahirata]

This patch uses std::clamp to simplify manual clamping in
getHeatColor.

[llvmbot]

@llvm/pr-subscribers-llvm-analysis

Author: Kazu Hirata (kazutakahirata)

Changes

This patch uses std::clamp to simplify manual clamping in
getHeatColor.

---

Full diff: https://github.com/llvm/llvm-project/pull/165394.diff

1 Files Affected:

• (modified) llvm/lib/Analysis/HeatUtils.cpp (+1-4)

diff --git a/llvm/lib/Analysis/HeatUtils.cpp b/llvm/lib/Analysis/HeatUtils.cpp
index a1cc7071f0e22..08e9428059e7e 100644
--- a/llvm/lib/Analysis/HeatUtils.cpp
+++ b/llvm/lib/Analysis/HeatUtils.cpp
@@ -64,10 +64,7 @@ std::string llvm::getHeatColor(uint64_t Freq, uint64_t MaxFreq) {
 }
 
 std::string llvm::getHeatColor(double Percent) {
-  if (Percent > 1.0)
-    Percent = 1.0;
-  if (Percent < 0.0)
-    Percent = 0.0;
+  Percent = std::clamp(Percent, 0.0, 1.0);
   unsigned ColorID = unsigned(round(Percent * (HeatSize - 1.0)));
   return HeatPalette[ColorID];
 }