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Cranelift: GVN all idempotently trapping but otherwise pure instructions (#5534)

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This commit is contained in:
Nick Fitzgerald
2023-01-05 15:08:06 -08:00
committed by GitHub
parent d5b8da6eea
commit c50bdf600e
2 changed files with 80 additions and 6 deletions
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18
cranelift/codegen/meta/src/shared/instructions.rs
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@@ -1686,7 +1686,8 @@ pub(crate) fn define(
)
.operands_in(vec![x, y])
.operands_out(vec![a])
.can_trap(true),
.can_trap(true)
.side_effects_idempotent(true),
);
ig.push(
@@ -1704,7 +1705,8 @@ pub(crate) fn define(
)
.operands_in(vec![x, y])
.operands_out(vec![a])
.can_trap(true),
.can_trap(true)
.side_effects_idempotent(true),
);
ig.push(
@@ -1719,7 +1721,8 @@ pub(crate) fn define(
)
.operands_in(vec![x, y])
.operands_out(vec![a])
.can_trap(true),
.can_trap(true)
.side_effects_idempotent(true),
);
ig.push(
@@ -1734,7 +1737,8 @@ pub(crate) fn define(
)
.operands_in(vec![x, y])
.operands_out(vec![a])
.can_trap(true),
.can_trap(true)
.side_effects_idempotent(true),
);
}
@@ -3324,7 +3328,8 @@ pub(crate) fn define(
)
.operands_in(vec![x])
.operands_out(vec![a])
.can_trap(true),
.can_trap(true)
.side_effects_idempotent(true),
);
ig.push(
@@ -3342,7 +3347,8 @@ pub(crate) fn define(
)
.operands_in(vec![x])
.operands_out(vec![a])
.can_trap(true),
.can_trap(true)
.side_effects_idempotent(true),
);
let x = &Operand::new("x", Float);