;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited. ;; RUN: wasm-opt %s -all --generate-stack-ir --optimize-stack-ir --roundtrip -S -o - | filecheck %s ;; Test that Stack IR optimizations do not interact poorly with the ;; optimizations for extracts of gets of tuple locals in the binary writer. (module ;; CHECK: (func $test (type $0) ;; CHECK-NEXT: (local $pair f32) ;; CHECK-NEXT: (local $f32 f32) ;; CHECK-NEXT: (local $2 i32) ;; CHECK-NEXT: (local $3 f32) ;; CHECK-NEXT: (local.set $pair ;; CHECK-NEXT: (block (result f32) ;; CHECK-NEXT: (local.set $3 ;; CHECK-NEXT: (f32.const 0) ;; CHECK-NEXT: ) ;; CHECK-NEXT: (local.set $2 ;; CHECK-NEXT: (i32.const 0) ;; CHECK-NEXT: ) ;; CHECK-NEXT: (local.get $3) ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) ;; CHECK-NEXT: (local.set $f32 ;; CHECK-NEXT: (local.get $pair) ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) (func $test (local $pair (tuple f32 i32)) (local $f32 f32) ;; Normally this get-set pair would be eliminated by stack IR optimizations, ;; but then the binary writer's tuple optimizations would leave the only the ;; f32 on the stack where an f32 and i32 would be expected. We disable stack ;; IR optimizations on tuples to avoid this. (local.set $pair (tuple.make 2 (f32.const 0) (i32.const 0) ) ) (local.set $f32 (tuple.extract 2 0 (local.get $pair) ) ) ) )