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| author | Tom Stellard <thomas.stellard@amd.com> | 2015-12-10 02:13:01 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2015-12-10 02:13:01 +0000 |
| commit | c93fc11f36c5d9c85c471bb36367d30885a56087 (patch) | |
| tree | 1e26a1d42b1cf42d9c8bfee59798a316eac4ed34 /llvm/test/CodeGen/AMDGPU/global-constant.ll | |
| parent | b3c3bda512712feb662ae03758dfb6fc0c05fe20 (diff) | |
| download | bcm5719-llvm-c93fc11f36c5d9c85c471bb36367d30885a56087.tar.gz bcm5719-llvm-c93fc11f36c5d9c85c471bb36367d30885a56087.zip | |
AMDGPU/SI: Emit constant arrays in the .text section
Summary:
This allows us to remove the END_OF_TEXT_LABEL hack we had been using
and simplifies the fixups used to compute the address of constant
arrays.
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D15257
llvm-svn: 255204
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/global-constant.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/global-constant.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/global-constant.ll b/llvm/test/CodeGen/AMDGPU/global-constant.ll new file mode 100644 index 00000000000..b52a0a10313 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/global-constant.ll @@ -0,0 +1,25 @@ +; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s + +@readonly = private unnamed_addr addrspace(2) constant [4 x float] [float 0.0, float 1.0, float 2.0, float 3.0] +@readonly2 = private unnamed_addr addrspace(2) constant [4 x float] [float 4.0, float 5.0, float 6.0, float 7.0] + +; GCN-LABEL: {{^}}main: +; GCN: s_getpc_b64 s{{\[}}[[PC0_LO:[0-9]+]]:[[PC0_HI:[0-9]+]]{{\]}} +; GCN-NEXT: s_add_u32 s{{[0-9]+}}, s[[PC0_LO]], readonly +; GCN: s_addc_u32 s{{[0-9]+}}, s[[PC0_HI]], 0 +; GCN: s_getpc_b64 s{{\[}}[[PC1_LO:[0-9]+]]:[[PC1_HI:[0-9]+]]{{\]}} +; GCN-NEXT: s_add_u32 s{{[0-9]+}}, s[[PC1_LO]], readonly +; GCN: s_addc_u32 s{{[0-9]+}}, s[[PC1_HI]], 0 +; GCN: .text +; GCN: readonly: +; GCN: readonly2: +define void @main(i32 %index, float addrspace(1)* %out) { + %ptr = getelementptr [4 x float], [4 x float] addrspace(2) * @readonly, i32 0, i32 %index + %val = load float, float addrspace(2)* %ptr + store float %val, float addrspace(1)* %out + %ptr2 = getelementptr [4 x float], [4 x float] addrspace(2) * @readonly2, i32 0, i32 %index + %val2 = load float, float addrspace(2)* %ptr2 + store float %val2, float addrspace(1)* %out + ret void +} + |
