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llvm-mirror/test/CodeGen/PTX/parameter-order.ll
Justin Holewinski a1dd1dd26e PTX: Always use registers for return values, but use .param space for device
parameters if SM >= 2.0

- Update test cases to be more robust against register allocation changes
- Bump up the number of registers to 128 per type
- Include Python script to re-generate register file with any number of
  registers

llvm-svn: 133736
2011-06-23 18:10:13 +00:00

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LLVM

; RUN: llc < %s -march=ptx32 | FileCheck %s
; CHECK: .func (.reg .b32 r{{[0-9]+}}) test_parameter_order (.reg .b32 r{{[0-9]+}}, .reg .b32 r{{[0-9]+}}, .reg .b32 r{{[0-9]+}}, .reg .b32 r{{[0-9]+}})
define ptx_device i32 @test_parameter_order(float %a, i32 %b, i32 %c, float %d) {
; CHECK: sub.u32 r{{[0-9]+}}, r{{[0-9]+}}, r{{[0-9]+}}
%result = sub i32 %b, %c
ret i32 %result
}