-; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=-fp32-denormals,+fp64-denormals < %s | FileCheck -check-prefix=FP64-DENORMAL -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=+fp32-denormals,-fp64-denormals < %s | FileCheck -check-prefix=FP32-DENORMAL -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=+fp32-denormals,+fp64-denormals < %s | FileCheck -check-prefix=BOTH-DENORMAL -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=-fp32-denormals,-fp64-denormals < %s | FileCheck -check-prefix=NO-DENORMAL -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=DEFAULT -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=-fp32-denormals < %s | FileCheck -check-prefix=DEFAULT -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=+fp64-denormals < %s | FileCheck -check-prefix=DEFAULT -check-prefix=FUNC %s
-; SI-LABEL: @test_kernel
-; SI: FloatMode: 192
-; SI: IeeeMode: 0
+; FUNC-LABEL: @test_kernel
+
+; DEFAULT: FloatMode: 192
+; DEFAULT: IeeeMode: 0
+
+; FP64-DENORMAL: FloatMode: 192
+; FP64-DENORMAL: IeeeMode: 0
+
+; FP32-DENORMAL: FloatMode: 48
+; FP32-DENORMAL: IeeeMode: 0
+
+; BOTH-DENORMAL: FloatMode: 240
+; BOTH-DENORMAL: IeeeMode: 0
+
+; NO-DENORMAL: FloatMode: 0
+; NO-DENORMAL: IeeeMode: 0
define void @test_kernel(float addrspace(1)* %out0, double addrspace(1)* %out1) nounwind {
store float 0.0, float addrspace(1)* %out0
store double 0.0, double addrspace(1)* %out1