0564065709
Adds new extension SPV_KHR_expect_assume, new capability ExpectAssumeKHR as well as the new instructions: * OpExpectKHR * OpAssumeTrueKHR These are lowered from respectively llvm.expect.<ty> and llvm.assume intrinsics. Previously https://reviews.llvm.org/D157696
21 lines
581 B
LLVM
21 lines
581 B
LLVM
; RUN: llc -mtriple=spirv32-unknown-unknown < %s | FileCheck %s
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; RUN: llc -mtriple=spirv64-unknown-unknown < %s | FileCheck %s
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; CHECK: OpCapability ExpectAssumeKHR
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; CHECK-NEXT: OpExtension "SPV_KHR_expect_assume"
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declare i32 @llvm.expect.i32(i32, i32)
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declare i32 @getOne()
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; CHECK-DAG: %2 = OpTypeInt 32 0
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; CHECK-DAG: %6 = OpFunctionParameter %2
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; CHECK-DAG: %9 = OpIMul %2 %6 %8
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; CHECK-DAG: %10 = OpExpectKHR %2 %9 %6
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define i32 @test(i32 %x) {
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%one = call i32 @getOne()
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%val = mul i32 %x, %one
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%v = call i32 @llvm.expect.i32(i32 %val, i32 %x)
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ret i32 %v
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}
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