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R600/SI: Add testcase I forgot to commit from months ago

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221384 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-11-05 19:01:22 +00:00
parent d8586375b8
commit e7a8e298fb
1 changed files with 11 additions and 0 deletions
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11
test/CodeGen/R600/mad_int24.ll
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@ -2,6 +2,8 @@
; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM --check-prefix=FUNC
; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC
declare i32 @llvm.AMDGPU.imul24(i32, i32) nounwind readnone
; FUNC-LABEL: {{^}}i32_mad24:
; Signed 24-bit multiply is not supported on pre-Cayman GPUs.
; EG: MULLO_INT
@ -21,3 +23,12 @@ entry:
store i32 %3, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: @test_imul24
; SI: v_mad_i32_i24
define void @test_imul24(i32 addrspace(1)* %out, i32 %src0, i32 %src1, i32 %src2) nounwind {
%mul = call i32 @llvm.AMDGPU.imul24(i32 %src0, i32 %src1) nounwind readnone
%add = add i32 %mul, %src2
store i32 %add, i32 addrspace(1)* %out, align 4
ret void
}