[fast-isel] Unaligned loads of floats are not supported. Therefore, convert to a regular
load and then move the result from a GPR to a FPR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146502 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/fast-isel.ll b/test/CodeGen/ARM/fast-isel.ll
index 0697460..7fc0804 100644
--- a/test/CodeGen/ARM/fast-isel.ll
+++ b/test/CodeGen/ARM/fast-isel.ll
@@ -198,3 +198,24 @@
ret void
}
+; Check unaligned loads of floats
+%class.TAlignTest = type <{ i16, float }>
+
+define zeroext i1 @test6(%class.TAlignTest* %this) nounwind align 2 {
+entry:
+; ARM: @test6
+; THUMB: @test6
+ %0 = alloca %class.TAlignTest*, align 4
+ store %class.TAlignTest* %this, %class.TAlignTest** %0, align 4
+ %1 = load %class.TAlignTest** %0
+ %2 = getelementptr inbounds %class.TAlignTest* %1, i32 0, i32 1
+ %3 = load float* %2, align 1
+ %4 = fcmp une float %3, 0.000000e+00
+; ARM: ldr r0, [r0, #2]
+; ARM: vmov s0, r0
+; ARM: vcmpe.f32 s0, #0
+; THUMB: ldr.w r0, [r0, #2]
+; THUMB: vmov s0, r0
+; THUMB: vcmpe.f32 s0, #0
+ ret i1 %4
+}
\ No newline at end of file