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Diffstat (limited to 'llvm/test/Analysis/CostModel/AMDGPU/shifts.ll')
-rw-r--r-- | llvm/test/Analysis/CostModel/AMDGPU/shifts.ll | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/llvm/test/Analysis/CostModel/AMDGPU/shifts.ll b/llvm/test/Analysis/CostModel/AMDGPU/shifts.ll new file mode 100644 index 00000000000..003aed7b2fc --- /dev/null +++ b/llvm/test/Analysis/CostModel/AMDGPU/shifts.ll @@ -0,0 +1,61 @@ +; RUN: opt -cost-model -analyze -mtriple=amdgcn-unknown-amdhsa -mattr=+half-rate-64-ops < %s | FileCheck -check-prefix=ALL -check-prefix=FAST64 %s +; RUN: opt -cost-model -analyze -mtriple=amdgcn-unknown-amdhsa -mattr=-half-rate-64-ops < %s | FileCheck -check-prefix=ALL -check-prefix=SLOW64 %s + +; ALL: 'shl_i32' +; ALL: estimated cost of 1 for {{.*}} shl i32 +define void @shl_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %vaddr, i32 %b) #0 { + %vec = load i32, i32 addrspace(1)* %vaddr + %or = shl i32 %vec, %b + store i32 %or, i32 addrspace(1)* %out + ret void +} + +; ALL: 'shl_i64' +; FAST64: estimated cost of 2 for {{.*}} shl i64 +; SLOW64: estimated cost of 3 for {{.*}} shl i64 +define void @shl_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %vaddr, i64 %b) #0 { + %vec = load i64, i64 addrspace(1)* %vaddr + %or = shl i64 %vec, %b + store i64 %or, i64 addrspace(1)* %out + ret void +} + +; ALL: 'lshr_i32' +; ALL: estimated cost of 1 for {{.*}} lshr i32 +define void @lshr_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %vaddr, i32 %b) #0 { + %vec = load i32, i32 addrspace(1)* %vaddr + %or = lshr i32 %vec, %b + store i32 %or, i32 addrspace(1)* %out + ret void +} + +; ALL: 'lshr_i64' +; FAST64: estimated cost of 2 for {{.*}} lshr i64 +; SLOW64: estimated cost of 3 for {{.*}} lshr i64 +define void @lshr_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %vaddr, i64 %b) #0 { + %vec = load i64, i64 addrspace(1)* %vaddr + %or = lshr i64 %vec, %b + store i64 %or, i64 addrspace(1)* %out + ret void +} + +; ALL: 'ashr_i32' +; ALL: estimated cost of 1 for {{.*}} ashr i32 +define void @ashr_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %vaddr, i32 %b) #0 { + %vec = load i32, i32 addrspace(1)* %vaddr + %or = ashr i32 %vec, %b + store i32 %or, i32 addrspace(1)* %out + ret void +} + +; ALL: 'ashr_i64' +; FAST64: estimated cost of 2 for {{.*}} ashr i64 +; SLOW64: estimated cost of 3 for {{.*}} ashr i64 +define void @ashr_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %vaddr, i64 %b) #0 { + %vec = load i64, i64 addrspace(1)* %vaddr + %or = ashr i64 %vec, %b + store i64 %or, i64 addrspace(1)* %out + ret void +} + +attributes #0 = { nounwind } |