2f0750dd2e
This upstreams the Cpp emitter, initially presented with [1], from [2] to MLIR core. Together with the previously upstreamed EmitC dialect [3], the target allows to translate MLIR to C/C++. [1] https://reviews.llvm.org/D76571 [2] https://github.com/iml130/mlir-emitc [3] https://reviews.llvm.org/D103969 Co-authored-by: Jacques Pienaar <jpienaar@google.com> Co-authored-by: Simon Camphausen <simon.camphausen@iml.fraunhofer.de> Co-authored-by: Oliver Scherf <oliver.scherf@iml.fraunhofer.de> Reviewed By: jpienaar Differential Revision: https://reviews.llvm.org/D104632
74 lines
2.1 KiB
MLIR
74 lines
2.1 KiB
MLIR
// RUN: mlir-translate -mlir-to-cpp -declare-variables-at-top %s | FileCheck %s -check-prefix=CPP-DECLTOP
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// simple(10, true) -> 20
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// simple(10, false) -> 30
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func @simple(i64, i1) -> i64 {
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^bb0(%a: i64, %cond: i1):
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cond_br %cond, ^bb1, ^bb2
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^bb1:
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br ^bb3(%a: i64)
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^bb2:
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%b = emitc.call "add"(%a, %a) : (i64, i64) -> i64
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br ^bb3(%b: i64)
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^bb3(%c: i64):
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br ^bb4(%c, %a : i64, i64)
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^bb4(%d : i64, %e : i64):
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%0 = emitc.call "add"(%d, %e) : (i64, i64) -> i64
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return %0 : i64
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}
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// CPP-DECLTOP: int64_t simple(int64_t [[A:[^ ]*]], bool [[COND:[^ ]*]]) {
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// CPP-DECLTOP-NEXT: int64_t [[B:[^ ]*]];
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// CPP-DECLTOP-NEXT: int64_t [[V0:[^ ]*]];
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// CPP-DECLTOP-NEXT: int64_t [[C:[^ ]*]];
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// CPP-DECLTOP-NEXT: int64_t [[D:[^ ]*]];
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// CPP-DECLTOP-NEXT: int64_t [[E:[^ ]*]];
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// CPP-DECLTOP-NEXT: [[BB0:[^ ]*]]:
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// CPP-DECLTOP-NEXT: if ([[COND]]) {
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// CPP-DECLTOP-NEXT: goto [[BB1:[^ ]*]];
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// CPP-DECLTOP-NEXT: } else {
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// CPP-DECLTOP-NEXT: goto [[BB2:[^ ]*]];
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// CPP-DECLTOP-NEXT: }
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// CPP-DECLTOP-NEXT: [[BB1]]:
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// CPP-DECLTOP-NEXT: [[C]] = [[A]];
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// CPP-DECLTOP-NEXT: goto [[BB3:[^ ]*]];
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// CPP-DECLTOP-NEXT: [[BB2]]:
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// CPP-DECLTOP-NEXT: [[B]] = add([[A]], [[A]]);
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// CPP-DECLTOP-NEXT: [[C]] = [[B]];
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// CPP-DECLTOP-NEXT: goto [[BB3]];
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// CPP-DECLTOP-NEXT: [[BB3]]:
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// CPP-DECLTOP-NEXT: [[D]] = [[C]];
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// CPP-DECLTOP-NEXT: [[E]] = [[A]];
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// CPP-DECLTOP-NEXT: goto [[BB4:[^ ]*]];
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// CPP-DECLTOP-NEXT: [[BB4]]:
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// CPP-DECLTOP-NEXT: [[V0]] = add([[D]], [[E]]);
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// CPP-DECLTOP-NEXT: return [[V0]];
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func @block_labels0() {
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^bb1:
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br ^bb2
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^bb2:
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return
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}
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// CPP-DECLTOP: void block_labels0() {
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// CPP-DECLTOP-NEXT: label1:
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// CPP-DECLTOP-NEXT: goto label2;
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// CPP-DECLTOP-NEXT: label2:
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// CPP-DECLTOP-NEXT: return;
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// CPP-DECLTOP-NEXT: }
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// Repeat the same function to make sure the names of the block labels get reset.
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func @block_labels1() {
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^bb1:
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br ^bb2
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^bb2:
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return
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}
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// CPP-DECLTOP: void block_labels1() {
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// CPP-DECLTOP-NEXT: label1:
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// CPP-DECLTOP-NEXT: goto label2;
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// CPP-DECLTOP-NEXT: label2:
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// CPP-DECLTOP-NEXT: return;
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// CPP-DECLTOP-NEXT: }
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