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llvm-mirror/test/CodeGen/NVPTX/local-stack-frame.ll
Justin Holewinski 06563fec33 [NVPTX] Fix bug in stack code generation causes by MC conversion
We do use a very small set of physical registers, so account for
them in the virtual register encoding between MachineInstr and MC

llvm-svn: 187799
2013-08-06 14:13:31 +00:00

19 lines
763 B
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s --check-prefix=PTX32
; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s --check-prefix=PTX64
; Ensure we access the local stack properly
; PTX32: mov.u32 %r{{[0-9]+}}, __local_depot{{[0-9]+}};
; PTX32: cvta.local.u32 %SP, %r{{[0-9]+}};
; PTX32: ld.param.u32 %r{{[0-9]+}}, [foo_param_0];
; PTX32: st.u32 [%SP+0], %r{{[0-9]+}};
; PTX64: mov.u64 %rl{{[0-9]+}}, __local_depot{{[0-9]+}};
; PTX64: cvta.local.u64 %SP, %rl{{[0-9]+}};
; PTX64: ld.param.u32 %r{{[0-9]+}}, [foo_param_0];
; PTX64: st.u32 [%SP+0], %r{{[0-9]+}};
define void @foo(i32 %a) {
%local = alloca i32, align 4
store i32 %a, i32* %local
ret void
}