[llvm] 6d125fe - ValueTracking: Add isKnownNeverInfinity tests for sin/cos

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2022-12-20T13:17:03-05:00
New Revision: 6d125fee8cf5d9fef111ae290f9e21c1927d46dc

URL: https://github.com/llvm/llvm-project/commit/6d125fee8cf5d9fef111ae290f9e21c1927d46dc
DIFF: https://github.com/llvm/llvm-project/commit/6d125fee8cf5d9fef111ae290f9e21c1927d46dc.diff

LOG: ValueTracking: Add isKnownNeverInfinity tests for sin/cos

Added: 
    

Modified: 
    llvm/test/Transforms/InstSimplify/floating-point-compare.ll

Removed: 
    


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diff  --git a/llvm/test/Transforms/InstSimplify/floating-point-compare.ll b/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
index bbd6a7ac3724..b5e7505ee524 100644
--- a/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
+++ b/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
@@ -1839,3 +1839,31 @@ define i1 @isNotKnownNeverInfinity_sqrt(double %x) {
 }
 
 declare double @llvm.sqrt.f64(double)
+
+; No source check required
+define i1 @isKnownNeverInfinity_sin(double %x) {
+; CHECK-LABEL: @isKnownNeverInfinity_sin(
+; CHECK-NEXT:    [[E:%.*]] = call double @llvm.sin.f64(double [[X:%.*]])
+; CHECK-NEXT:    [[R:%.*]] = fcmp une double [[E]], 0x7FF0000000000000
+; CHECK-NEXT:    ret i1 [[R]]
+;
+  %e = call double @llvm.sin.f64(double %x)
+  %r = fcmp une double %e, 0x7ff0000000000000
+  ret i1 %r
+}
+
+declare double @llvm.sin.f64(double)
+
+; No source check required
+define i1 @isKnownNeverInfinity_cos(double %x) {
+; CHECK-LABEL: @isKnownNeverInfinity_cos(
+; CHECK-NEXT:    [[E:%.*]] = call double @llvm.cos.f64(double [[X:%.*]])
+; CHECK-NEXT:    [[R:%.*]] = fcmp une double [[E]], 0x7FF0000000000000
+; CHECK-NEXT:    ret i1 [[R]]
+;
+  %e = call double @llvm.cos.f64(double %x)
+  %r = fcmp une double %e, 0x7ff0000000000000
+  ret i1 %r
+}
+
+declare double @llvm.cos.f64(double)