1 files changed, 46 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/softfp-constant-comparison.ll b/llvm/test/CodeGen/ARM/softfp-constant-comparison.ll
new file mode 100644
index 00000000000..a7bf6b7efeb
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/softfp-constant-comparison.ll
@@ -0,0 +1,46 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=thumbv7em-arm-none-eabi < %s | FileCheck %s
+
+target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "thumbv7em-arm-none-eabi"
+
+@a = hidden global i32 0, align 4
+
+define hidden void @fn1() nounwind #0 {
+; CHECK-LABEL: fn1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    .save {r7, lr}
+; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    vldr d0, .LCPI0_0
+; CHECK-NEXT:    vmov r0, r1, d0
+; CHECK-NEXT:    mov r2, r0
+; CHECK-NEXT:    mov r3, r1
+; CHECK-NEXT:    bl __aeabi_dcmpeq
+; CHECK-NEXT:    cbnz r0, .LBB0_2
+; CHECK-NEXT:    b .LBB0_1
+; CHECK-NEXT:  .LBB0_1: @ %land.rhs
+; CHECK-NEXT:    b .LBB0_2
+; CHECK-NEXT:  .LBB0_2: @ %land.end
+; CHECK-NEXT:    pop {r7, pc}
+; CHECK-NEXT:    .p2align 3
+; CHECK-NEXT:  @ %bb.3:
+; CHECK-NEXT:  .LCPI0_0:
+; CHECK-NEXT:    .long 0 @ double 0
+; CHECK-NEXT:    .long 0
+entry:
+  %0 = load i32, i32* @a, align 4
+  %conv = sitofp i32 %0 to double
+  %mul = fmul nnan ninf nsz double 0.000000e+00, %conv
+  %tobool = fcmp nnan ninf nsz une double %mul, 0.000000e+00
+  br i1 %tobool, label %land.rhs, label %land.end
+
+land.rhs:                                         ; preds = %entry
+  br label %land.end
+
+land.end:                                         ; preds = %land.rhs, %entry
+  %1 = phi i1 [ false, %entry ], [ false, %land.rhs ]
+  %land.ext = zext i1 %1 to i32
+  ret void
+}
+
+attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-m4" "target-features"="+armv7e-m,+dsp,+fp16,+fpregs,+hwdiv,+thumb-mode,+vfp2d16sp,+vfp3d16sp,+vfp4d16sp,-aes,-crc,-crypto,-dotprod,-fp16fml,-fullfp16,-hwdiv-arm,-lob,-mve,-mve.fp,-ras,-sb,-sha2" "unsafe-fp-math"="false" "use-soft-float"="false" }