[X86] Pre-commit test for pr59305

diff --git a/llvm/test/CodeGen/X86/pr59305.ll b/llvm/test/CodeGen/X86/pr59305.ll
new file mode 100644 (file)
index 0000000..6c6ee99
--- /dev/null
+++ b/llvm/test/CodeGen/X86/pr59305.ll
@@ -0,0 +1,39 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s
+
+define double @foo(double %0) #0 {
+; CHECK-LABEL: foo:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    pushq %rax
+; CHECK-NEXT:    movsd %xmm0, (%rsp) # 8-byte Spill
+; CHECK-NEXT:    movl $1024, %edi # imm = 0x400
+; CHECK-NEXT:    callq fesetround@PLT
+; CHECK-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
+; CHECK-NEXT:    divsd (%rsp), %xmm0 # 8-byte Folded Reload
+; CHECK-NEXT:    movsd %xmm0, (%rsp) # 8-byte Spill
+; CHECK-NEXT:    movl $1024, %edi # imm = 0x400
+; CHECK-NEXT:    callq fesetround@PLT
+; CHECK-NEXT:    movl $1024, %edi # imm = 0x400
+; CHECK-NEXT:    callq fesetround@PLT
+; CHECK-NEXT:    movsd (%rsp), %xmm0 # 8-byte Reload
+; CHECK-NEXT:    # xmm0 = mem[0],zero
+; CHECK-NEXT:    movaps %xmm0, %xmm1
+; CHECK-NEXT:    movaps %xmm0, %xmm2
+; CHECK-NEXT:    callq fma@PLT
+; CHECK-NEXT:    popq %rax
+; CHECK-NEXT:    retq
+    %2 = call i32 @fesetround(i32 noundef 1024)
+    %3 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
+    %4 = call i32 @fesetround(i32 noundef 1024)
+    %5 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
+    %6 = call i32 @fesetround(i32 noundef 1024)
+    %7 = call double @llvm.experimental.constrained.fdiv.f64(double 1.000000e+00, double %0, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
+    %8 = call double @llvm.experimental.constrained.fma.f64(double %3, double %5, double %7, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
+    ret double %8
+}
+
+declare i32 @fesetround(i32) #0
+declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata) #0
+declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata) #0
+
+attributes #0 = { nounwind strictfp }