derek.holloway
7502bf64a4
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87 lines
3.5 KiB
LLVM
87 lines
3.5 KiB
LLVM
; This test aims to check ability to support "Arithmetic with Overflow" intrinsics
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; in the special case when those intrinsics are being generated by the CodeGenPrepare;
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; pass during translations with optimization (note -disable-lsr, to inhibit
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; strength reduction pre-empting with a more preferable match for this pattern
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; in llc arguments).
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; RUN: llc -O3 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O3 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
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; RUN: llc -O3 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O3 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
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; RUN: llc -O3 -disable-lsr -mtriple=spirv32-unknown-unknown %s -o - | FileCheck --check-prefix=NOLSR %s
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; RUN: %if spirv-tools %{ llc -O3 -disable-lsr -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
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; RUN: llc -O3 -disable-lsr -mtriple=spirv64-unknown-unknown %s -o - | FileCheck --check-prefix=NOLSR %s
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; RUN: %if spirv-tools %{ llc -O3 -disable-lsr -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
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; CHECK-DAG: %[[Int:.*]] = OpTypeInt 32 0
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; CHECK-DAG: %[[Char:.*]] = OpTypeInt 8 0
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; CHECK-DAG: %[[PtrChar:.*]] = OpTypePointer Generic %[[Char]]
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; CHECK-DAG: %[[Bool:.*]] = OpTypeBool
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; CHECK-DAG: %[[Const1:.*]] = OpConstant %[[Int]] 1{{$}}
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; CHECK-DAG: %[[Zero:.*]] = OpConstantNull %[[Int]]
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; CHECK-DAG: %[[Const42:.*]] = OpConstant %[[Char]] 42{{$}}
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; CHECK: OpFunction
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; CHECK: %[[A:.*]] = OpFunctionParameter %[[Int]]
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; CHECK: %[[Ptr:.*]] = OpFunctionParameter %[[PtrChar]]
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; CHECK: %[[APlusOne:.*]] = OpIAdd %[[Int]] %[[A]] %[[Const1]]
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; CHECK: OpBranch %[[#]]
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; CHECK: [[#]] = OpLabel
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; CHECK: %[[PhiRes:.*]] = OpPhi %[[Int]] %[[Val:.*]] %[[#]] %[[APlusOne]] %[[#]]
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; CHECK: %[[IsOver:.*]] = OpIEqual %[[Bool]] %[[#]] %[[#]]
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; CHECK: OpBranchConditional %[[IsOver]] %[[#]] %[[#]]
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; CHECK: [[#]] = OpLabel
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; CHECK: OpStore %[[Ptr]] %[[Const42]] Aligned 1
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; CHECK: [[Val]] = OpIAdd %[[Int]] %[[PhiRes]] %[[Const1]]
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; CHECK: OpBranch %[[#]]
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; CHECK: [[#]] = OpLabel
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; OpReturnValue %[[PhiRes]]
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; NOLSR-DAG: %[[Int:.*]] = OpTypeInt 32 0
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; NOLSR-DAG: %[[Char:.*]] = OpTypeInt 8 0
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; NOLSR-DAG: %[[PtrChar:.*]] = OpTypePointer Generic %[[Char]]
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; NOLSR-DAG: %[[Bool:.*]] = OpTypeBool
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; NOLSR-DAG: %[[Struct:.*]] = OpTypeStruct %[[Int]] %[[Int]]
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; NOLSR-DAG: %[[Const1:.*]] = OpConstant %[[Int]] 1
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; NOLSR-DAG: %[[Const42:.*]] = OpConstant %[[Char]] 42
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; NOLSR-DAG: %[[Zero:.*]] = OpConstantNull %[[Int]]
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; NOLSR: OpFunction
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; NOLSR: %[[A:.*]] = OpFunctionParameter %[[Int]]
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; NOLSR: %[[Ptr:.*]] = OpFunctionParameter %[[PtrChar]]
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; NOLSR: %[[#]] = OpLabel
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; NOLSR: OpBranch %[[#]]
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; NOLSR: %[[#]] = OpLabel
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; NOLSR: %[[PhiRes:.*]] = OpPhi %[[Int]] %[[A]] %[[#]] %[[Val:.*]] %[[#]]
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; NOLSR: %[[AggRes:.*]] = OpIAddCarry %[[Struct]] %[[PhiRes]] %[[Const1]]
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; NOLSR: %[[Val]] = OpCompositeExtract %[[Int]] %[[AggRes]] 0
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; NOLSR: %[[Over:.*]] = OpCompositeExtract %[[Int]] %[[AggRes]] 1
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; NOLSR: %[[IsOver:.*]] = OpINotEqual %[[Bool:.*]] %[[Over]] %[[Zero]]
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; NOLSR: OpBranchConditional %[[IsOver]] %[[#]] %[[#]]
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; NOLSR: OpStore %[[Ptr]] %[[Const42]] Aligned 1
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; NOLSR: OpBranch %[[#]]
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; NOLSR: %[[#]] = OpLabel
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; NOLSR: OpReturnValue %[[Val]]
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; NOLSR: OpFunctionEnd
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define spir_func i32 @foo(i32 %a, ptr addrspace(4) %p) {
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entry:
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br label %l1
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body:
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store i8 42, ptr addrspace(4) %p
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br label %l1
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l1:
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%e = phi i32 [ %a, %entry ], [ %i, %body ]
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%i = add nsw i32 %e, 1
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%fl = icmp eq i32 %i, 0
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br i1 %fl, label %exit, label %body
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exit:
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ret i32 %i
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}
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